Quarterly report pursuant to Section 13 or 15(d)

UNAUDITED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED)

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UNAUDITED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) (USD $)
In Thousands, unless otherwise specified
 6 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Operating Activities    
Net loss $ (5,204) $ (9,121)
Adjustments to reconcile net loss to cash provided by (used in) operating activities:    
Amortization and depreciation 2,042 1,701
Amortization of investment premiums, net 481 550
Stock-based compensation 6,128 4,556
Impairment of long-lived assets 1,195 71
Changes in operating assets and liabilities:    
Accounts receivable (3,297) (4,527)
Inventory 536 (455)
Prepaid and other assets (330) (237)
Accounts payable, accrued expenses and other current liabilities 36 3,309
Accrued compensation 2,201 2,165
Deferred Revenue and Deferred Profits 307 (1,804)
Accrued Price Protection Liability 2,797 3,846
Other long-term liabilities 114 (179)
Net cash provided by (used in) operating activities 7,006 (125)
Investing Activities    
Purchases of property and equipment (1,822) (1,626)
Purchases of intangible assets (655) (195)
Purchases of available-for-sale securities (47,117) (57,460)
Maturities of available-for-sale securities 45,500 42,851
Net cash used in investing activities (4,094) (16,430)
Financing Activities    
Payments on capital leases (2) (29)
Net proceeds from issuance of common stock 1,113 1,132
Minimum tax withholding paid on behalf of employees for restricted stock units (1,123) (69)
Net cash provided by (used in) financing activities (12) 1,034
Effect of exchange rate changes on cash and cash equivalents 8 7
Increase (decrease) in cash and cash equivalents 2,908 (15,514)
Cash and cash equivalents at beginning of period 21,810 28,026
Cash and cash equivalents at end of period 24,718 12,512
Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract]    
Other Significant Noncash Transaction, Value of Consideration Given 4,836 0
Intangible Asset Expenditures Irrcured but Not yet Paid 300 0
Capital Expenditures Incurred but Not yet Paid $ 425 $ 254