Quarterly report pursuant to Section 13 or 15(d)

UNAUDITED CONSOLIDATED STATEMENTS OF CASH FLOWS

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UNAUDITED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Operating Activities    
Net income (loss) $ 19,116 $ (4,722)
Adjustments to reconcile net income (loss) to cash provided by operating activities:    
Amortization and depreciation 5,772 1,639
Provision for inventory reserves 38 0
Amortization of investment premiums, net 149 149
Stock-based compensation 5,109 3,719
Deferred income taxes 233 0
Change in fair value of contingent consideration 86 (183)
Loss on foreign currency 124 0
Changes in operating assets and liabilities:    
Accounts receivable 1,359 (2,143)
Inventory 2,984 (1,991)
Prepaid and other assets (2,416) (416)
Accounts payable, accrued expenses and other current liabilities 3,080 3,015
Accrued compensation 3,231 1,874
Deferred revenue and deferred profit 2,457 21
Accrued price protection liability (1,583) 2,647
Other long-term liabilities (785) 159
Net cash provided by operating activities 38,954 3,768
Investing Activities    
Purchases of property and equipment (3,222) (1,024)
Purchases of available-for-sale securities (37,773) (16,153)
Maturities of available-for-sale securities 10,300 16,190
Net cash used in investing activities (30,695) (987)
Financing Activities    
Repurchases of common stock (3) 0
Net proceeds from issuance of common stock 1,727 248
Minimum tax withholding paid on behalf of employees for restricted stock units (1,092) (265)
Equity issuance costs 0 (697)
Net cash provided by (used in) financing activities 632 (714)
Effect of exchange rate changes on cash and cash equivalents (7) 6
Increase in cash and cash equivalents 8,884 2,073
Cash and cash equivalents at beginning of period 67,956 20,696
Cash and cash equivalents at end of period 76,840 22,769
Supplemental disclosures of cash flow information:    
Cash paid for income taxes 30 55
Accrued purchases of property and equipment $ 165 $ 87