Annual report pursuant to Section 13 and 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
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Operating Activities      
Net loss $ (12,733) $ (13,252) $ (22,024)
Adjustments to reconcile net loss to cash provided by (used in) operating activities:      
Amortization and depreciation 3,715 3,531 3,159
Amortization of investment premiums, net 974 1,058 1,179
Stock-based compensation 12,986 9,984 7,368
Deferred income tax expense (benefit) (166) 0 6,668
Available-for-sale securities, gross realized gain(oss), excluding other than temporary impairments 0 2 9
Impairment of long-lived assets 1,231 184 150
Changes in operating assets and liabilities:      
Accounts receivable (5,500) (4,137) (7,374)
Inventory (141) (1,809) (657)
Prepaid and other assets (308) (129) 155
Accounts payable, accrued expenses and other current liabilities (627) 3,981 4,368
Increase (decrease) in due to related prarties 0 0 (1,746)
Accrued compensation 5,587 4,910 (51)
Deferred revenue and deferred profits 362 (1,740) (1,293)
Accrued price protection liability 7,137 5,024 2,400
Other long-term liabilities 373 (59) 598
Net cash provided by (used in) operating activities 12,890 7,544 (7,109)
Investing Activities      
Purchases of property and equipment (3,162) (5,055) (2,962)
Purchases of intangible assets (955) (390) (201)
Purchases of available-for-sale securities (70,620) (87,897) (111,369)
Maturities of available-for-sale securities 65,200 89,151 125,350
Net cash provided by (used in) investing activities (9,537) (4,191) 10,818
Financing Activities      
Payments on capital leases (2) (32) (82)
Net proceeds from issuance of common stock 2,647 2,706 2,815
Minimum tax withholding paid on behalf of employees for restricted stock units (1,375) (175) 0
Payments for repurchase of common stock 0 (12,076) 0
Net cash provided by (used in) financing activities 1,270 (9,577) 2,733
Effect of exchange rate changes on cash and cash equivalents 17 8 21
Increase (decrease) in cash and cash equivalents 4,640 (6,216) 6,463
Cash and cash equivalents at beginning of year 21,810 28,026 21,563
Cash and cash equivalents at end of year 26,450 21,810 28,026
Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract]      
Other significant noncash transaction, value of consideration given 4,836 0 0
Intangible asset expenditures irrcured but not yet paid 0 0 390
Capital expenditures incurred but not yet paid 2 52 708
Supplemental Cash Flow Information [Abstract]      
Interest paid 1 1 9
Income taxes paid $ 186 $ 40 $ 0