subject to successful completion of each of these , construction could begin in early 2014 , with construction completion and plant commissioning occurring in the latter part of 2015. we do not currently generate operating cash flows . our principal source of financing in the past has been the issuance of our common stock . market interest in the gold sector has diminished in recent years , due at least in part to the popularity of gold exchange traded funds and the rising costs for mine construction and operation . consequently , raising sufficient amounts of capital on reasonable terms has become increasingly difficult . these conditions could continue into 2013 , and could affect our ability to raise the necessary capital on reasonable terms , if at all . results from operations summary for the year ended december 31 , 2012 , we continued to advance our mt . todd gold project in northern territory , australia with a view towards potential development . in 2012 our drilling programs resulted in significant expansion of the mineral resource ; we started treating the water in the existing open pit as a preliminary step to ultimately dewatering the pit , subject to strict quality standards and discharge rates ; and we progressed significantly in the completion of a pre-feasibility study on the project . we also completed a drilling program at our guadalupe de los reyes gold/silver project in sinaloa , mexico and completed a new resource estimate for that project . consolidated net loss for the year ended december 31 , 2012 was $ 70,656 or $ 0.9 5 per basic share . for the same period in 2011 we reported net income of $ 51,546 or $ 0.75 per basic share . for the same period in 2010 we reported net loss of $ 20,020 or $ 0.42 per basic share . the principal components of these year-over-year changes are discussed below . exploration , property evaluation and holding costs exploration , property evaluation and holding costs were $ 27,536 , $ 21,774 and $ 13,447 during the years ended december 31 , 2012 , 2011 and 2010 , respectively . the higher costs period-to-period were primarily due to increased activity at our mt . todd gold project associated with the pre-feasibility and feasibility studies and related activities , drilling , permitting , and the september 2012 start of water treatment in the existing open pit . at our los cardones gold project , costs decreased in 2012 from 2011 because since february 2012 invecture group , s.a. de c.v. ( “ invecture ” ) began to incur all costs associated with the progression of this project under an earn-in right agreement ( “ earn-in right agreement ” ) . los cardones costs in 2011 approximated those of 2010. we completed a drilling program at our guadalupe de los reyes gold/silver project in early 2012 and have incurred minimal costs for the remainder of 2012 as our efforts were then focused on the mt . todd gold project . corporate administration and investor relations corporate administration and investor relations costs were $ 8,096 , $ 6,375 and $ 4,283 during the years ended december 31 , 2012 , 2011 and 2010 , respectively . the higher 2012 costs were primarily due to legal and professional fees associated with activities such as our shelf registration statement and completion of the earn-in right agreement , and an increase in stock-based compensation expense incurred to attract additional professional staff and consultants and to incentivize and retain professional staff and directors . similarly , the higher costs in 2011 compared to 2010 were primarily due to increases in compensation , principally stock-based compensation , to incentivize and retain professional staff and directors . depreciation and amortization depreciation and amortization expense was $ 589 , $ 420 and $ 288 for years ended december 31 , 2012 , 2011 and 2010 , respectively . the increases period-to-period were primarily attributable to increased capital expenditures at the mt . todd gold project . gain/ ( loss ) on extinguishment of convertible debt during may 2010 , we repurchased a portion of our convertible debt , then outstanding . we paid the debt holder $ 2,233 in cash and issued 1,902,684 common shares as consideration for the principal amount of the notes and interest payable of $ 6,358 , in aggregate . the common shares issued were based on a share price of $ 2.15 per share . a loss of $ 1,633 was recorded in our consolidated statements of income/ ( loss ) and comprehensive income/ ( loss ) as a result of the repurchase . the company had no similar transactions during 2011 or 2012. gain on disposal of mineral property pursuant to a joint venture agreement with awak mas holdings pty . ltd. ( “ am holdings ” ) , whereby am holdings may earn an 80 % interest in our awak mas gold project in indonesia , we received certain cash payments in excess of the carrying value of the project , which resulted in a realized gain of $ 2,934 during the year ended december 31 , 2012. in april 2011 , vista was issued 30,402,615 common shares in the capital of midas gold as consideration for its interest in gold assets in the yellow pine-stibnite district in idaho . upon initial recognition of its investment in the midas gold shares , vista elected to apply the fair value option , and as such , the investment was recorded at fair value in the consolidated balance sheets . story_separator_special_tag in june 2011 , we entered into an additional option agreement ( the “ additional option agreement ” ) with pan asia ( subsequently assigned to am holdings ) , which provides am holdings the option to earn an additional 20 .2 % interest in salu siwa after it has earned the 60 .6 % interest ( for a total 80 .8 % interest in salu siwa or 80 % interest in the awak mas gold project ) in the project pursuant to the jv agreement . to date , cash payments of $ 4,500 have been made , but other earn-in conditions have not been met . s ignificant accounting policies and recent accounting pronouncements significant accounting policies use of estimates the company 's consolidated financial statements have been prepared in accordance with u . s . gaap . the preparation of the company 's consolidated financial statements requires the company to make estimates and assumptions that affect the reported amounts of assets and disclosure of contingent liabilities at the date of the consolidated financial statements and the reported amounts of expenses during the reporting period . the more significant areas requiring the use of management estimates and assumptions relating to capital costs of projects ; mine closure and reclamation obligations ; useful lives for asset depreciation purposes ; valuation allowances for deferred tax assets ; the fair value and accounting treatment of financial instruments including marketable securities and stock-based compensation ; and asset impairments ( including impairments long-lived assets and investments ) . the company bases its estimates on historical experience and on various other assumptions that are believed to be reasonable under the circumstances . accordingly , actual results will differ from these amounts estimated in these financial statements . cash and cash equivalents cash and cash e quivalents include cash on hand and money market securities with maturities of three months or less when purchased . because of the short maturity of these investments , the carrying amounts approximate their fair value . restricted cash is excluded from cash and cash equivalents and is included in other current assets . marketable securities we classify marketable securities as available-for-sale . accordingly , these securities are carried at fair value with unrealized gains and losses being reported in other comprehensive income until such time that the securities are disposed of or become impaired . at that time , any gains or losses will then be realized and reported in our consolidated statement s of income/ ( loss ) and comprehensive income/ ( loss ) . we use the specific identification method for determining carrying value in computing realized gains and losses on sales of investment securities . we evaluate investments in a loss position to determine if such a loss is other-than-temporary . if so , such loss will be recognized and reported during that period . mineral p roperties mineral property acquisition costs , including directly related costs , are capitalized when incurred , and mineral property exploration costs are expensed as incurred . when we determine that a mineral property can be economically developed in accordance with u.s. gaap , the costs then incurred to develop such property will be capitalized . c apitalized costs will be depleted using the units-of-production method over the estimated life of the proven and probable reserves . if mineral properties are subsequently abandoned or impaired , any undepleted costs will be charged to loss in that period . the recoverability of the carrying values of our mineral properties is dependent upon economic reserves being discovered or developed on the properties , permitting , financing , start-up , and commercial production from , or the sale/lease of , or other strategic transactions related to these properties . development and or start-up of any of these projects will depend on , among other things , management 's ability to raise additional capital for these purposes . although we have successfully raised capital in the past , there can be no assurance that we will be able to do so in the future . we assess the carrying cost of our mineral properties for impairment whenever information or circumstances indicate the potential for impairment . this would include events and circumstances such as our inability to obtain all the necessary permits , changes in the legal status of our mineral properties , government actions , the results of exploration activities and technical evaluations and changes in economic conditions , including the price of gold and other commodities or input prices . such evaluations compare estimated future net cash flows with our carrying costs and future obligations on an undiscounted basis . if it is determined that the estimated future undiscounted cash flows are less than the carrying value of the property , a write-down to the estimated fair value will then be reported in our consolidated statement of income/ ( loss ) for the period . where estimates of future net cash flows are not determinable and where other conditions indicate the potential for impairment , management uses its judgment to assess if the carrying value can be recovered and to estimate fair value . plant and equipment plant and equipment are recorded at cost . depreciation is computed using the straight-line method over the estimated useful lives of the assets , ranging primarily from three to ten years . significant expenditures that increase the life of an asset , including interest on expenditures on qualifying assets , are capitalized and depreciated over the remaining estimated useful life of the asset . upon sale or retirement of assets , the costs and related accumulated depreciation are eliminated from the respective accounts and any resulting gains or losses will be reported in our consolidated statement s of income/ ( loss ) and comprehensive income/ ( loss ) . assets held for sale plant and equipment is classified as held for sale when the following conditions are met : ( i ) assets ( or

net cash used in operating activities was $ 30 ,155 , $ 24,990 and $ 17,093 for the years ended december 31 , 2012 , 2011 and 2010 , respectively . the increase period-to-period was primarily the result of increases in exploration , property evaluation and holding costs and corporate administration and investor relations costs as discussed above . investing activities net cash provided by investing activities was $ 3,839 for the year ended december 31 , 2012 was primarily due to receipt of $ 5,500 from agreements related to awak mas and los cardones projects , offset by additions to plant and equipment of $ 2,066 , mainly at our mt . todd gold project . net cash used in investing activities of $ 4,044 for the same period in 2011 was primarily due to the acquisition for cash of 1,400,000 additional midas gold shares issued in a private placement . net cash used in investing activities of $ 2,364 for the same period in 2010 was primarily due to land acquisition costs at the los cardones gold project . financing activities during july 2012 , we closed a private placement of 5,000,000 units ( the “ july 2012 units ” ) for gross proceeds of $ 15,000 ( the “ july 2012 offering ” ) . each july 2012 unit consists of one common share in the capital of the company and one-half of one common share purchase warrant ( each full warrant , a “ july 2012 warrant ” ) .


 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.
     ```net cash used in operating activities was $ 30 ,155 , $ 24,990 and $ 17,093 for the years ended december 31 , 2012 , 2011 and 2010 , respectively . the increase period-to-period was primarily the result of increases in exploration , property evaluation and holding costs and corporate administration and investor relations costs as discussed above . investing activities net cash provided by investing activities was $ 3,839 for the year ended december 31 , 2012 was primarily due to receipt of $ 5,500 from agreements related to awak mas and los cardones projects , offset by additions to plant and equipment of $ 2,066 , mainly at our mt . todd gold project . net cash used in investing activities of $ 4,044 for the same period in 2011 was primarily due to the acquisition for cash of 1,400,000 additional midas gold shares issued in a private placement . net cash used in investing activities of $ 2,364 for the same period in 2010 was primarily due to land acquisition costs at the los cardones gold project . financing activities during july 2012 , we closed a private placement of 5,000,000 units ( the “ july 2012 units ” ) for gross proceeds of $ 15,000 ( the “ july 2012 offering ” ) . each july 2012 unit consists of one common share in the capital of the company and one-half of one common share purchase warrant ( each full warrant , a “ july 2012 warrant ” ) .
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 Suspicious Activity Report : subject to successful completion of each of these , construction could begin in early 2014 , with construction completion and plant commissioning occurring in the latter part of 2015. we do not currently generate operating cash flows . our principal source of financing in the past has been the issuance of our common stock . market interest in the gold sector has diminished in recent years , due at least in part to the popularity of gold exchange traded funds and the rising costs for mine construction and operation . consequently , raising sufficient amounts of capital on reasonable terms has become increasingly difficult . these conditions could continue into 2013 , and could affect our ability to raise the necessary capital on reasonable terms , if at all . results from operations summary for the year ended december 31 , 2012 , we continued to advance our mt . todd gold project in northern territory , australia with a view towards potential development . in 2012 our drilling programs resulted in significant expansion of the mineral resource ; we started treating the water in the existing open pit as a preliminary step to ultimately dewatering the pit , subject to strict quality standards and discharge rates ; and we progressed significantly in the completion of a pre-feasibility study on the project . we also completed a drilling program at our guadalupe de los reyes gold/silver project in sinaloa , mexico and completed a new resource estimate for that project . consolidated net loss for the year ended december 31 , 2012 was $ 70,656 or $ 0.9 5 per basic share . for the same period in 2011 we reported net income of $ 51,546 or $ 0.75 per basic share . for the same period in 2010 we reported net loss of $ 20,020 or $ 0.42 per basic share . the principal components of these year-over-year changes are discussed below . exploration , property evaluation and holding costs exploration , property evaluation and holding costs were $ 27,536 , $ 21,774 and $ 13,447 during the years ended december 31 , 2012 , 2011 and 2010 , respectively . the higher costs period-to-period were primarily due to increased activity at our mt . todd gold project associated with the pre-feasibility and feasibility studies and related activities , drilling , permitting , and the september 2012 start of water treatment in the existing open pit . at our los cardones gold project , costs decreased in 2012 from 2011 because since february 2012 invecture group , s.a. de c.v. ( “ invecture ” ) began to incur all costs associated with the progression of this project under an earn-in right agreement ( “ earn-in right agreement ” ) . los cardones costs in 2011 approximated those of 2010. we completed a drilling program at our guadalupe de los reyes gold/silver project in early 2012 and have incurred minimal costs for the remainder of 2012 as our efforts were then focused on the mt . todd gold project . corporate administration and investor relations corporate administration and investor relations costs were $ 8,096 , $ 6,375 and $ 4,283 during the years ended december 31 , 2012 , 2011 and 2010 , respectively . the higher 2012 costs were primarily due to legal and professional fees associated with activities such as our shelf registration statement and completion of the earn-in right agreement , and an increase in stock-based compensation expense incurred to attract additional professional staff and consultants and to incentivize and retain professional staff and directors . similarly , the higher costs in 2011 compared to 2010 were primarily due to increases in compensation , principally stock-based compensation , to incentivize and retain professional staff and directors . depreciation and amortization depreciation and amortization expense was $ 589 , $ 420 and $ 288 for years ended december 31 , 2012 , 2011 and 2010 , respectively . the increases period-to-period were primarily attributable to increased capital expenditures at the mt . todd gold project . gain/ ( loss ) on extinguishment of convertible debt during may 2010 , we repurchased a portion of our convertible debt , then outstanding . we paid the debt holder $ 2,233 in cash and issued 1,902,684 common shares as consideration for the principal amount of the notes and interest payable of $ 6,358 , in aggregate . the common shares issued were based on a share price of $ 2.15 per share . a loss of $ 1,633 was recorded in our consolidated statements of income/ ( loss ) and comprehensive income/ ( loss ) as a result of the repurchase . the company had no similar transactions during 2011 or 2012. gain on disposal of mineral property pursuant to a joint venture agreement with awak mas holdings pty . ltd. ( “ am holdings ” ) , whereby am holdings may earn an 80 % interest in our awak mas gold project in indonesia , we received certain cash payments in excess of the carrying value of the project , which resulted in a realized gain of $ 2,934 during the year ended december 31 , 2012. in april 2011 , vista was issued 30,402,615 common shares in the capital of midas gold as consideration for its interest in gold assets in the yellow pine-stibnite district in idaho . upon initial recognition of its investment in the midas gold shares , vista elected to apply the fair value option , and as such , the investment was recorded at fair value in the consolidated balance sheets . story_separator_special_tag in june 2011 , we entered into an additional option agreement ( the “ additional option agreement ” ) with pan asia ( subsequently assigned to am holdings ) , which provides am holdings the option to earn an additional 20 .2 % interest in salu siwa after it has earned the 60 .6 % interest ( for a total 80 .8 % interest in salu siwa or 80 % interest in the awak mas gold project ) in the project pursuant to the jv agreement . to date , cash payments of $ 4,500 have been made , but other earn-in conditions have not been met . s ignificant accounting policies and recent accounting pronouncements significant accounting policies use of estimates the company 's consolidated financial statements have been prepared in accordance with u . s . gaap . the preparation of the company 's consolidated financial statements requires the company to make estimates and assumptions that affect the reported amounts of assets and disclosure of contingent liabilities at the date of the consolidated financial statements and the reported amounts of expenses during the reporting period . the more significant areas requiring the use of management estimates and assumptions relating to capital costs of projects ; mine closure and reclamation obligations ; useful lives for asset depreciation purposes ; valuation allowances for deferred tax assets ; the fair value and accounting treatment of financial instruments including marketable securities and stock-based compensation ; and asset impairments ( including impairments long-lived assets and investments ) . the company bases its estimates on historical experience and on various other assumptions that are believed to be reasonable under the circumstances . accordingly , actual results will differ from these amounts estimated in these financial statements . cash and cash equivalents cash and cash e quivalents include cash on hand and money market securities with maturities of three months or less when purchased . because of the short maturity of these investments , the carrying amounts approximate their fair value . restricted cash is excluded from cash and cash equivalents and is included in other current assets . marketable securities we classify marketable securities as available-for-sale . accordingly , these securities are carried at fair value with unrealized gains and losses being reported in other comprehensive income until such time that the securities are disposed of or become impaired . at that time , any gains or losses will then be realized and reported in our consolidated statement s of income/ ( loss ) and comprehensive income/ ( loss ) . we use the specific identification method for determining carrying value in computing realized gains and losses on sales of investment securities . we evaluate investments in a loss position to determine if such a loss is other-than-temporary . if so , such loss will be recognized and reported during that period . mineral p roperties mineral property acquisition costs , including directly related costs , are capitalized when incurred , and mineral property exploration costs are expensed as incurred . when we determine that a mineral property can be economically developed in accordance with u.s. gaap , the costs then incurred to develop such property will be capitalized . c apitalized costs will be depleted using the units-of-production method over the estimated life of the proven and probable reserves . if mineral properties are subsequently abandoned or impaired , any undepleted costs will be charged to loss in that period . the recoverability of the carrying values of our mineral properties is dependent upon economic reserves being discovered or developed on the properties , permitting , financing , start-up , and commercial production from , or the sale/lease of , or other strategic transactions related to these properties . development and or start-up of any of these projects will depend on , among other things , management 's ability to raise additional capital for these purposes . although we have successfully raised capital in the past , there can be no assurance that we will be able to do so in the future . we assess the carrying cost of our mineral properties for impairment whenever information or circumstances indicate the potential for impairment . this would include events and circumstances such as our inability to obtain all the necessary permits , changes in the legal status of our mineral properties , government actions , the results of exploration activities and technical evaluations and changes in economic conditions , including the price of gold and other commodities or input prices . such evaluations compare estimated future net cash flows with our carrying costs and future obligations on an undiscounted basis . if it is determined that the estimated future undiscounted cash flows are less than the carrying value of the property , a write-down to the estimated fair value will then be reported in our consolidated statement of income/ ( loss ) for the period . where estimates of future net cash flows are not determinable and where other conditions indicate the potential for impairment , management uses its judgment to assess if the carrying value can be recovered and to estimate fair value . plant and equipment plant and equipment are recorded at cost . depreciation is computed using the straight-line method over the estimated useful lives of the assets , ranging primarily from three to ten years . significant expenditures that increase the life of an asset , including interest on expenditures on qualifying assets , are capitalized and depreciated over the remaining estimated useful life of the asset . upon sale or retirement of assets , the costs and related accumulated depreciation are eliminated from the respective accounts and any resulting gains or losses will be reported in our consolidated statement s of income/ ( loss ) and comprehensive income/ ( loss ) . assets held for sale plant and equipment is classified as held for sale when the following conditions are met : ( i ) assets ( or

