NOTE 5 ACQUISITIONS OF AND INVESTMENTS IN BUSINESSES AND TECHNOLOGIES Vista Research In January 2012, the Company purchased all the outstanding stock of Vista Research, Inc. (Vista) for a purchase price of $23,269 , of which $12,000 was cash and $2,869 was an assumed line of credit paid by Raven at closing. The fair value of contingent consideration and earn-outs comprised the remaining $8,400 of the purchase price. Results of operations subsequent to the acquisition have been combined into the Aerostar Division. Vista is a leading provider of surveillance systems that enhance the effectiveness of radars using sophisticated algorithms. Vista's smart sensing radar systems (SSRS) are employed in a host of advanced detection and tracking applications, including wide-area surveillance for the border patrol and the military. This acquisition allows Raven to enhance its tethered aerostat security solutions within its Aerostar Division and positions the Company to meet growing global demand for low-cost detection and tracking systems used by government and law enforcement agencies. In connection with the stock purchase agreement, Raven agreed to pay an aggregate $6,500 upon receipt and delivery of a specific quantity of SSRS orders by certain milestone dates. Both of these milestones were met in fiscal 2013 and Raven paid the accrued contingent consideration of $6,500 . Under the stock purchase agreement, the Company will also make annual payments based upon earn-out percentages on specific revenue streams for seven years after the purchase date, not to exceed $15,000 . The fair value of these contingent considerations is $3,347 , of which $ 890 was classified in "Accrued liabilities" and $2,457 as "Other liabilities" in the Consolidated Balance Sheet for the year ended January 31, 2014 . At January 31, 2013 , the fair value of the contingent consideration for the Vista acquisition was $3,071 , of which $712 was classified as "Accrued liabilities" and $2,359 as "Other liabilities" in the Consolidated Balance Sheet for t