Quarterly report pursuant to Section 13 or 15(d)

Consolidated Statements of Cash Flows (Unaudited)

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Consolidated Statements of Cash Flows (Unaudited) (USD $)
In Thousands, unless otherwise specified
 6 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Operating Activities    
Net loss $ (9,121) $ (5,944)
Adjustments to reconcile net loss to cash used in operating activities:    
Amortization and depreciation 1,701 1,431
Amortization of investment premiums, net 550 601
Stock-based compensation 4,556 3,037
Deferred income taxes    (1,543)
Gain on sale of available-for-sale securities     
Write down of long-lived assets 71 1
Changes in operating assets and liabilities:    
Accounts receivable (4,527) (5,275)
Inventory (455) 750
Prepaid and other assets (237) (48)
Accounts payable and accrued expenses 7,155 6,671
Amounts due to related party    (1,746)
Accrued compensation 2,165 11
Deferred revenue and deferred profit (1,804) (1,494)
Other long-term liabilities (179) 1,090
Net cash used in operating activities (125) (2,458)
Investing Activities    
Purchases of property and equipment (1,626) (1,742)
Purchases of intangible assets (195)  
Purchases of available-for-sale securities (57,460) (58,847)
Maturities of available-for-sale securities 42,851 61,968
Net cash provided by (used in) investing activities (16,430) 1,379
Financing Activities    
Payments on capital leases (29) (36)
Net proceeds from issuance of common stock 1,063 1,476
Net cash provided by financing activities 1,034 1,440
Effect of exchange rate changes on cash and cash equivalents 7 10
Increase (decrease) in cash and cash equivalents (15,514) 371
Cash and cash equivalents at beginning of period 28,026 21,563
Cash and cash equivalents at end of period $ 12,512 $ 21,934