estimating the allowance for doubtful accounts and contract losses . we make estimates of our ability to collect accounts receivable and our unbilled but recognized work-in-process . in circumstances where we are aware of a specific customer 's inability to meet its financial obligations to us or for disputes with customers that affect our ability to fully collect our accounts receivable and unbilled work-in-process , we record a specific allowance to reduce the net recognized receivable to the amount we reasonably believe will be collected . for all other customers we recognize allowances for doubtful accounts and contract losses taking into consideration factors such as historical write-offs , customer concentration , customer credit-worthiness , current economic conditions , and aging of amounts due . 21 the following table sets forth , for the periods indicated , the percentage of revenues of certain items in our consolidated statements of income and the percentage increase ( decrease ) in the dollar amount of such items year to year : replace_table_token_3_th executive summary revenues for fiscal 2015 increased 3 % and revenues before reimbursements increased 2 % as compared to the prior year . the increase in revenues before reimbursements was due to an increase in billable hours and an increase in billing rates . we experienced demand for our consulting services from a diverse set of clients for both reactive and proactive projects . during fiscal 2015 , we experienced demand for our reactive services performing high profile accident and failure investigations and evaluating potentially significant product recalls . we also experienced demand for our proactive consulting services , performing design evaluations of consumer electronics and medical devices in addition to regulatory consulting for the chemical and food industries . during fiscal 2015 , we had notable performances in several practices including our materials & corrosion engineering , biomedical engineering , and polymer science & materials chemistry practices , as well as our infrastructure group . we experienced strong demand from the consumer electronics industry , as our clients broadened their product offerings and needed assistance with the use of new materials . we also continued to assist clients in the biomedical industry with regulatory approvals and assessing the field performance of their products . our infrastructure group benefited from increased commercial construction and infrastructure spending . the low growth rate in revenues was due to one of our major investigations in our environmental and health segment ending in july of 2015 and a continued step down in the level of activity in our technology development practice due to constraints on defense spending and the withdrawal of united states and united kingdom combat troops from afghanistan . the increase in revenues before reimbursements and low expense growth resulted in a 7 % increase in net income to $ 43,599,000 during fiscal 2015 as compared to $ 40,701,000 during the prior year . diluted earnings per share increased to $ 1.60 per share as compared to $ 1.47 during the prior year due to the increase in net income and the decrease to our share count from our ongoing share repurchase program . 22 we remain focused on selectively adding top talent and developing the skills necessary to expand upon our market position , providing clients with in-depth scientific research and analysis to determine what happened and how to prevent failures or exposures in the future , capitalizing on emerging growth areas , managing other operating expenses , generating cash from operations , maintaining a strong balance sheet and undertaking activities such as share repurchases and dividends to enhance shareholder value . overview of the year ended january 1 , 2016 our revenues consist of professional fees earned on consulting engagements , fees for use of our equipment and facilities , and reimbursements for outside direct expenses associated with the services performed that are billed to our clients . we operate on a 52-53 week fiscal year with each year ending on the friday closest to december 31 st . the fiscal years ended january 1 , 2016 and january 2 , 2015 included 52 weeks of activity . the fiscal year ended january 3 , 2014 included 53 weeks of activity . fiscal 2016 will end on friday , december 30 , 2016. during fiscal 2015 , billable hours increased 1.6 % to 1,125,000 as compared to 1,107,000 during fiscal 2014. the increase in billable hours was due to continued demand for our proactive and reactive consulting services . our utilization was 72 % for fiscal 2015 and 2014. technical full-time equivalent employees increased 1.3 % to 751 during fiscal 2015 as compared to 741 during fiscal 2014 due to our recruiting and retention efforts . we continue to selectively hire key talent to expand our capabilities . fiscal years ended january 1 , 2016 , and january 2 , 2015 revenues replace_table_token_4_th the increase in revenues for our engineering and other scientific segment was due to an increase in billable hours and an increase in billing rates . during fiscal 2015 , billable hours for this segment increased by 5.2 % to 835,000 as compared to 794,000 during fiscal 2014. the increase was due to demand for services in our materials & corrosion engineering , biomedical engineering , polymer science & materials chemistry practices , as well as our infrastructure group . utilization increased to 75 % for fiscal 2015 as compared to 74 % for fiscal 2014. technical full-time equivalents increased 3.5 % to 537 for fiscal 2015 from 519 for fiscal 2014 due to our recruiting and retention efforts . the decrease in revenues from our environmental and health segment was due to a decrease in billable hours . story_separator_special_tag 24 income taxes replace_table_token_5_th the decrease in our effective tax rate was due to an increase in foreign earnings in jurisdictions with lower income tax rates and a decrease in state income taxes . fiscal years ended january 2 , 2015 , and january 3 , 2014 revenues replace_table_token_6_th the increase in revenues for our engineering and other scientific segment was due to an increase in billable hours and an increase in billing rates partially offset by fiscal 2014 having one less week of activity than fiscal 2013. during fiscal 2014 , billable hours for this segment increased by 2.1 % to 794,000 as compared to 778,000 during fiscal 2013. the increase was due to demand for services in our materials & corrosion engineering , biomedical engineering , polymer science & materials chemistry , human factors , and construction consulting practices . utilization was 74 % for both fiscal 2014 and fiscal 2013. technical full-time equivalents increased 4.6 % to 519 for fiscal 2014 from 496 for fiscal 2013 due to our recruiting and retention efforts . the increase in revenues from our environmental and health segment was due to an increase in billable hours and an increase in billing rates partially offset by fiscal 2014 having one less week of activity than fiscal 2013. during fiscal 2014 , billable hours for this segment increased by 1.3 % to 313,000 as compared to 309,000 during fiscal 2013. utilization increased to 68 % for fiscal 2014 as compared to 65 % for fiscal 2013. the increase in billable hours and utilization was due to demand for our services in our environmental sciences and ecological sciences practices . technical full-time equivalents were 222 during fiscal 2014 as compared to 223 for fiscal 2013. compensation and related expenses fiscal years percent ( in thousands except percentages ) 2014 2013 change compensation and related expenses $ 183,533 $ 184,084 ( 0.3 ) % percentage of total revenues 60.2 % 62.2 % the decrease in compensation and related expenses during fiscal 2014 was due to a change in the value of assets associated with our deferred compensation plan partially offset by an increase in payroll and bonus expense . during fiscal 2014 , deferred compensation expense decreased $ 3,519,000 with a corresponding decrease to other income ( expense ) , net , as compared with the prior year due to the change in value of assets associated with our deferred compensation plan . this decrease consisted of an increase in the value of the plan assets of $ 2,525,000 during fiscal 2014 as compared to an increase in the value of the plan assets of $ 6,044,000 during fiscal 2013. payroll increased $ 1,657,000 due to a 3.1 % increase in technical full-time equivalent employees and the impact of our annual salary increases partially offset by fiscal 2014 having one less week of activity than fiscal 2013. bonuses increased $ 1,503,000 due to a corresponding increase in profitability . other operating expenses fiscal years percent ( in thousands except percentages ) 2014 2013 change other operating expenses $ 26,285 $ 25,299 3.9 % percentage of total revenues 8.6 % 8.5 % other operating expenses include facilities-related costs , technical materials , computer-related expenses and depreciation and amortization of property , equipment and leasehold improvements . the increase in other operating expenses was primarily due to an increase in occupancy expense of $ 514,000 and an increase in depreciation and amortization of $ 454,000. the increases in occupancy expense and depreciation and amortization were due to the continued expansion of our facilities to accommodate the increase in technical full-time equivalent employees . 25 reimbursable expenses fiscal years percent ( in thousands except percentages ) 2014 2013 change reimbursable expenses $ 15,495 $ 16,125 ( 3.9 ) % percentage of total revenues 5.1 % 5.4 % the decrease in reimbursable expenses was primarily due to a decrease in project-related costs in our technology development practice in our engineering and other scientific segment . the amount of reimbursable expenses will vary from year to year depending on the nature of our projects . general and administrative expenses fiscal years percent ( in thousands except percentages ) 2014 2013 change general and administrative expenses $ 15,842 $ 14,714 7.7 % percentage of total revenues 5.2 % 5.0 % the increase in general and administrative expenses during fiscal 2014 was primarily due to an increase in travel and meals of $ 561,000 and an increase in contributions of $ 506,000. the increase in travel and meals was due to a firm-wide managers ' meeting held during the third quarter of 2014. other income ( expense ) , net fiscal years percent ( in thousands except percentages ) 2014 2013 change other income and expense , net $ 4,416 $ 7,999 ( 44.8 ) % percentage of total revenues 1.4 % 2.7 % other income ( expense ) , net , consists primarily of interest income earned on available cash , cash equivalents and short-term investments , changes in the value of assets associated with our deferred compensation plan and rental income from leasing excess space in our silicon valley facility . the decrease in other income ( expense ) , net , was primarily due to the change in value of assets associated with our deferred compensation plan . this change consisted of an increase in the value of the plan assets of $ 2,525,000 during fiscal 2014 as compared to an increase in the value of the plan assets of $ 6,044,000 during fiscal 2013. income taxes replace_table_token_7_th the increase in income taxes was due to a corresponding increase in pre-tax income . the increase in our effective tax rate was due to manufacturing deductions claimed in fiscal 2013. these manufacturing deductions were non-recurring . story_separator_special_tag information . generally , a non-gaap financial measure is a numerical measure of a company 's performance , financial position or cash flow that either excludes or includes amounts that are not normally

liquidity and capital resources replace_table_token_8_th we financed our business in fiscal 2015 through available cash and cash flows from operating activities . we invest our excess cash in cash equivalents and short-term investments . as of january 1 , 2016 , our cash , cash equivalents and short-term investments were $ 171,593,000 compared to $ 154,403,000 at january 2 , 2015. we believe our existing balances of cash , cash equivalents and short-term investments will be sufficient to satisfy our working capital needs , capital expenditures , outstanding commitments , stock repurchases , dividends and other liquidity requirements over at least the next 12 months . generally , our net cash provided by operating activities is used to fund our day-to-day operating activities . first quarter operating cash requirements are generally higher due to payment of our annual bonuses accrued during the prior year . our largest source of operating cash flows is cash collections from our clients . our primary uses of cash from operating activities are for employee-related expenditures , leased facilities , taxes , and general operating expenses including marketing and travel . net cash provided by operating activities was $ 60.5 million for fiscal 2015 as compared to $ 48.3 million and $ 61.8 million in fiscal 2014 and 2013 , respectively . the increase in net cash provided by operating activities during fiscal 2015 as compared to fiscal 2014 was primarily due to an increase in cash receipts from clients . the decrease in net cash provided by operating activities during fiscal 2014 , as compared to fiscal 2013 , was due to a decrease in cash receipts from clients . accounts receivable increased during fiscal 2014 as compared to a decrease during fiscal 2013 .


 Write a concise suspicious activity report of the following text delimited by triple backquotes. Return your response as a formal report which covers the key points highlighting the location,dates,entity names and account holder information in chronological order of the text.
     ```liquidity and capital resources replace_table_token_8_th we financed our business in fiscal 2015 through available cash and cash flows from operating activities . we invest our excess cash in cash equivalents and short-term investments . as of january 1 , 2016 , our cash , cash equivalents and short-term investments were $ 171,593,000 compared to $ 154,403,000 at january 2 , 2015. we believe our existing balances of cash , cash equivalents and short-term investments will be sufficient to satisfy our working capital needs , capital expenditures , outstanding commitments , stock repurchases , dividends and other liquidity requirements over at least the next 12 months . generally , our net cash provided by operating activities is used to fund our day-to-day operating activities . first quarter operating cash requirements are generally higher due to payment of our annual bonuses accrued during the prior year . our largest source of operating cash flows is cash collections from our clients . our primary uses of cash from operating activities are for employee-related expenditures , leased facilities , taxes , and general operating expenses including marketing and travel . net cash provided by operating activities was $ 60.5 million for fiscal 2015 as compared to $ 48.3 million and $ 61.8 million in fiscal 2014 and 2013 , respectively . the increase in net cash provided by operating activities during fiscal 2015 as compared to fiscal 2014 was primarily due to an increase in cash receipts from clients . the decrease in net cash provided by operating activities during fiscal 2014 , as compared to fiscal 2013 , was due to a decrease in cash receipts from clients . accounts receivable increased during fiscal 2014 as compared to a decrease during fiscal 2013 .
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 Suspicious Activity Report : estimating the allowance for doubtful accounts and contract losses . we make estimates of our ability to collect accounts receivable and our unbilled but recognized work-in-process . in circumstances where we are aware of a specific customer 's inability to meet its financial obligations to us or for disputes with customers that affect our ability to fully collect our accounts receivable and unbilled work-in-process , we record a specific allowance to reduce the net recognized receivable to the amount we reasonably believe will be collected . for all other customers we recognize allowances for doubtful accounts and contract losses taking into consideration factors such as historical write-offs , customer concentration , customer credit-worthiness , current economic conditions , and aging of amounts due . 21 the following table sets forth , for the periods indicated , the percentage of revenues of certain items in our consolidated statements of income and the percentage increase ( decrease ) in the dollar amount of such items year to year : replace_table_token_3_th executive summary revenues for fiscal 2015 increased 3 % and revenues before reimbursements increased 2 % as compared to the prior year . the increase in revenues before reimbursements was due to an increase in billable hours and an increase in billing rates . we experienced demand for our consulting services from a diverse set of clients for both reactive and proactive projects . during fiscal 2015 , we experienced demand for our reactive services performing high profile accident and failure investigations and evaluating potentially significant product recalls . we also experienced demand for our proactive consulting services , performing design evaluations of consumer electronics and medical devices in addition to regulatory consulting for the chemical and food industries . during fiscal 2015 , we had notable performances in several practices including our materials & corrosion engineering , biomedical engineering , and polymer science & materials chemistry practices , as well as our infrastructure group . we experienced strong demand from the consumer electronics industry , as our clients broadened their product offerings and needed assistance with the use of new materials . we also continued to assist clients in the biomedical industry with regulatory approvals and assessing the field performance of their products . our infrastructure group benefited from increased commercial construction and infrastructure spending . the low growth rate in revenues was due to one of our major investigations in our environmental and health segment ending in july of 2015 and a continued step down in the level of activity in our technology development practice due to constraints on defense spending and the withdrawal of united states and united kingdom combat troops from afghanistan . the increase in revenues before reimbursements and low expense growth resulted in a 7 % increase in net income to $ 43,599,000 during fiscal 2015 as compared to $ 40,701,000 during the prior year . diluted earnings per share increased to $ 1.60 per share as compared to $ 1.47 during the prior year due to the increase in net income and the decrease to our share count from our ongoing share repurchase program . 22 we remain focused on selectively adding top talent and developing the skills necessary to expand upon our market position , providing clients with in-depth scientific research and analysis to determine what happened and how to prevent failures or exposures in the future , capitalizing on emerging growth areas , managing other operating expenses , generating cash from operations , maintaining a strong balance sheet and undertaking activities such as share repurchases and dividends to enhance shareholder value . overview of the year ended january 1 , 2016 our revenues consist of professional fees earned on consulting engagements , fees for use of our equipment and facilities , and reimbursements for outside direct expenses associated with the services performed that are billed to our clients . we operate on a 52-53 week fiscal year with each year ending on the friday closest to december 31 st . the fiscal years ended january 1 , 2016 and january 2 , 2015 included 52 weeks of activity . the fiscal year ended january 3 , 2014 included 53 weeks of activity . fiscal 2016 will end on friday , december 30 , 2016. during fiscal 2015 , billable hours increased 1.6 % to 1,125,000 as compared to 1,107,000 during fiscal 2014. the increase in billable hours was due to continued demand for our proactive and reactive consulting services . our utilization was 72 % for fiscal 2015 and 2014. technical full-time equivalent employees increased 1.3 % to 751 during fiscal 2015 as compared to 741 during fiscal 2014 due to our recruiting and retention efforts . we continue to selectively hire key talent to expand our capabilities . fiscal years ended january 1 , 2016 , and january 2 , 2015 revenues replace_table_token_4_th the increase in revenues for our engineering and other scientific segment was due to an increase in billable hours and an increase in billing rates . during fiscal 2015 , billable hours for this segment increased by 5.2 % to 835,000 as compared to 794,000 during fiscal 2014. the increase was due to demand for services in our materials & corrosion engineering , biomedical engineering , polymer science & materials chemistry practices , as well as our infrastructure group . utilization increased to 75 % for fiscal 2015 as compared to 74 % for fiscal 2014. technical full-time equivalents increased 3.5 % to 537 for fiscal 2015 from 519 for fiscal 2014 due to our recruiting and retention efforts . the decrease in revenues from our environmental and health segment was due to a decrease in billable hours . story_separator_special_tag 24 income taxes replace_table_token_5_th the decrease in our effective tax rate was due to an increase in foreign earnings in jurisdictions with lower income tax rates and a decrease in state income taxes . fiscal years ended january 2 , 2015 , and january 3 , 2014 revenues replace_table_token_6_th the increase in revenues for our engineering and other scientific segment was due to an increase in billable hours and an increase in billing rates partially offset by fiscal 2014 having one less week of activity than fiscal 2013. during fiscal 2014 , billable hours for this segment increased by 2.1 % to 794,000 as compared to 778,000 during fiscal 2013. the increase was due to demand for services in our materials & corrosion engineering , biomedical engineering , polymer science & materials chemistry , human factors , and construction consulting practices . utilization was 74 % for both fiscal 2014 and fiscal 2013. technical full-time equivalents increased 4.6 % to 519 for fiscal 2014 from 496 for fiscal 2013 due to our recruiting and retention efforts . the increase in revenues from our environmental and health segment was due to an increase in billable hours and an increase in billing rates partially offset by fiscal 2014 having one less week of activity than fiscal 2013. during fiscal 2014 , billable hours for this segment increased by 1.3 % to 313,000 as compared to 309,000 during fiscal 2013. utilization increased to 68 % for fiscal 2014 as compared to 65 % for fiscal 2013. the increase in billable hours and utilization was due to demand for our services in our environmental sciences and ecological sciences practices . technical full-time equivalents were 222 during fiscal 2014 as compared to 223 for fiscal 2013. compensation and related expenses fiscal years percent ( in thousands except percentages ) 2014 2013 change compensation and related expenses $ 183,533 $ 184,084 ( 0.3 ) % percentage of total revenues 60.2 % 62.2 % the decrease in compensation and related expenses during fiscal 2014 was due to a change in the value of assets associated with our deferred compensation plan partially offset by an increase in payroll and bonus expense . during fiscal 2014 , deferred compensation expense decreased $ 3,519,000 with a corresponding decrease to other income ( expense ) , net , as compared with the prior year due to the change in value of assets associated with our deferred compensation plan . this decrease consisted of an increase in the value of the plan assets of $ 2,525,000 during fiscal 2014 as compared to an increase in the value of the plan assets of $ 6,044,000 during fiscal 2013. payroll increased $ 1,657,000 due to a 3.1 % increase in technical full-time equivalent employees and the impact of our annual salary increases partially offset by fiscal 2014 having one less week of activity than fiscal 2013. bonuses increased $ 1,503,000 due to a corresponding increase in profitability . other operating expenses fiscal years percent ( in thousands except percentages ) 2014 2013 change other operating expenses $ 26,285 $ 25,299 3.9 % percentage of total revenues 8.6 % 8.5 % other operating expenses include facilities-related costs , technical materials , computer-related expenses and depreciation and amortization of property , equipment and leasehold improvements . the increase in other operating expenses was primarily due to an increase in occupancy expense of $ 514,000 and an increase in depreciation and amortization of $ 454,000. the increases in occupancy expense and depreciation and amortization were due to the continued expansion of our facilities to accommodate the increase in technical full-time equivalent employees . 25 reimbursable expenses fiscal years percent ( in thousands except percentages ) 2014 2013 change reimbursable expenses $ 15,495 $ 16,125 ( 3.9 ) % percentage of total revenues 5.1 % 5.4 % the decrease in reimbursable expenses was primarily due to a decrease in project-related costs in our technology development practice in our engineering and other scientific segment . the amount of reimbursable expenses will vary from year to year depending on the nature of our projects . general and administrative expenses fiscal years percent ( in thousands except percentages ) 2014 2013 change general and administrative expenses $ 15,842 $ 14,714 7.7 % percentage of total revenues 5.2 % 5.0 % the increase in general and administrative expenses during fiscal 2014 was primarily due to an increase in travel and meals of $ 561,000 and an increase in contributions of $ 506,000. the increase in travel and meals was due to a firm-wide managers ' meeting held during the third quarter of 2014. other income ( expense ) , net fiscal years percent ( in thousands except percentages ) 2014 2013 change other income and expense , net $ 4,416 $ 7,999 ( 44.8 ) % percentage of total revenues 1.4 % 2.7 % other income ( expense ) , net , consists primarily of interest income earned on available cash , cash equivalents and short-term investments , changes in the value of assets associated with our deferred compensation plan and rental income from leasing excess space in our silicon valley facility . the decrease in other income ( expense ) , net , was primarily due to the change in value of assets associated with our deferred compensation plan . this change consisted of an increase in the value of the plan assets of $ 2,525,000 during fiscal 2014 as compared to an increase in the value of the plan assets of $ 6,044,000 during fiscal 2013. income taxes replace_table_token_7_th the increase in income taxes was due to a corresponding increase in pre-tax income . the increase in our effective tax rate was due to manufacturing deductions claimed in fiscal 2013. these manufacturing deductions were non-recurring . story_separator_special_tag information . generally , a non-gaap financial measure is a numerical measure of a company 's performance , financial position or cash flow that either excludes or includes amounts that are not normally

