Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Statements Of Cash Flows

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Condensed Consolidated Statements Of Cash Flows (USD $)
In Thousands
9 Months Ended
Sep. 30, 2011
Sep. 30, 2010
Operating Activities    
Net income (loss) $ (17,332) $ 4,452
Adjustments to reconcile net income (loss) to cash provided by (used in) operating activities:    
Amortization and depreciation 2,294 1,282
Amortization of investment premiums, net 894 813
Stock-based compensation 5,206 2,977
Deferred income taxes 6,668  
Gain on sale of available-for-sale securities (9)  
Write down of property and equipment 29 33
Changes in operating assets and liabilities:    
Accounts receivable (5,338) 5,170
Inventory (1,803) (3,507)
Prepaid and other assets 183 (1,067)
Accounts payable and accrued expenses 7,263 (3,166)
Amounts due to related party (1,746) (200)
Accrued compensation 623 673
Deferred revenue and deferred profit (2,825) 680
Other long-term liabilities 721 163
Net cash provided by (used in) operating activities (5,172) 8,303
Investing Activities    
Purchases of property and equipment (2,187) (2,100)
Purchases of intangibles   (1,135)
Purchases of available-for-sale securities (70,967) (97,596)
Maturities of available-for-sale securities 98,575 20,257
Net cash provided by (used in) investing activities 25,421 (80,574)
Financing Activities    
Payments on capital leases (58) (93)
Proceeds from issuance of common stock 1,755 183
Proceeds from initial public offering, net of costs   75,550
Net cash provided by financing activities 1,697 75,640
Effect of exchange rate changes on cash and cash equivalents 12  
Increase in cash and cash equivalents 21,958 3,369
Cash and cash equivalents at beginning of period 21,563 17,921
Cash and cash equivalents at end of period 43,521 21,290
Supplemental disclosures of cash flow information:    
Cash paid for interest 8 22
Cash paid for taxes   275
Supplemental disclosures of non-cash investing and financing information:    
Unrealized gain (loss) on available-for-sale securities $ (36) $ 65