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
 3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Operating Activities    
Net loss $ (2,300) $ (6,562)
Adjustments to reconcile net loss to cash provided by (used in) operating activities:    
Amortization and depreciation 981 870
Amortization of investment premiums, net 223 249
Stock-based compensation 2,789 2,223
Write down of long-lived assets 64 69
Changes in operating assets and liabilities:    
Accounts receivable (3,461) (648)
Inventory 1,229 1,316
Prepaid and other assets 117 228
Accounts payable, accrued expenses and other current liabilities (3,713) 959
Accrued compensation 2,277 1,567
Deferred revenue and deferred profit 648 (1,515)
Accrued price protection liability 1,908 527
Other long-term liabilities 39 (363)
Net cash provided by (used in) operating activities 801 (1,080)
Investing Activities    
Purchases of property and equipment (542) (848)
Purchases of intangible assets 0 (195)
Purchases of available-for-sale securities (32,172) (32,390)
Maturities of available-for-sale securities 27,300 30,250
Net cash used in investing activities (5,414) (3,183)
Financing Activities    
Payments on capital leases (1) (24)
Net proceeds from issuance of common stock 23 79
Minimum tax withholding paid on behalf of employees for restricted stock units (48) (24)
Net cash provided by (used in) financing activities (26) 31
Effect of exchange rate changes on cash and cash equivalents 3 2
Decrease in cash and cash equivalents (4,636) (4,230)
Cash and cash equivalents at beginning of period 21,810 28,026
Cash and cash equivalents at end of period $ 17,174 $ 23,796