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Consolidated Balance Sheets (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2012
Dec. 31, 2011
Current assets:    
Cash and cash equivalents $ 16,044 $ 47,069
Marketable securities 38,064 28,267
Accounts receivable, net of allowance for doubtful accounts of $627 in 2012 and $245 in 2011 42,652 36,849
Inventories 39,016 42,279
Deferred tax assets, net 126 2,011
Prepaid expenses and other 4,829 3,712
Total current assets 140,731 160,187
Property and equipment, net of accumulated depreciation of $59,702 in 2012 and $59,217 in 2011 15,229 18,496
Marketable securities 1,201 13,495
Intangible assets, net of accumulated amortization of $11,951 in 2012 and $10,899 in 2011 3,163 35,702
Goodwill 0 19,772
Deferred tax assets, net 584 1,023
Other assets 623 504
Total assets 161,531 249,179
Current liabilities:    
Accounts payable 45,732 54,030
Accrued expenses 27,800 25,044
Total current liabilities 73,532 79,074
Other long-term liabilities 2,552 4,080
Total liabilities 76,084 83,154
Stockholders' equity:    
Preferred stock, par value $0.001; 2,000 shares authorized and none outstanding 0 0
Common stock, par value $0.001; 50,000 shares authorized, 33,655 and 32,262 shares issued and outstanding at December 31, 2012 and 2011, respectively 34 32
Additional paid-in capital 438,477 429,813
Accumulated other comprehensive income (loss) 14 (8)
Accumulated deficit (328,078) (238,812)
Stockholders' equity before treasury stock 110,447 191,025
Treasury stock at cost; 2,436 common shares at December 31, 2012 and 2011 (25,000) (25,000)
Total stockholders' equity 85,447 166,025
Total liabilities and stockholders' equity $ 161,531 $ 249,179