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Condensed Consolidated Balance Sheets (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2014
Dec. 31, 2013
Current assets:    
Cash and cash equivalents $ 8,925 $ 2,911
Marketable securities 13,503 16,612
Restricted marketable securities 0 2,566
Accounts receivable, net of allowance for doubtful accounts of $2,566 at June 30, 2014 and $2,449 at December 31, 2013 25,636 39,985
Inventories, net of reserves 26,022 27,793
Deferred tax assets, net 100 100
Prepaid expenses and other 3,094 5,662
Total current assets 77,280 95,629
Property and equipment, net of accumulated depreciation of $65,873 at June 30, 2014 and $62,334 at December 31, 2013 7,199 9,901
Marketable securities 0 3,443
Intangible assets, net of accumulated amortization of $13,487 at June 30, 2014 and $12,983 at December 31, 2013 1,626 2,131
Deferred tax assets, net 81 81
Other assets 677 280
Total assets 86,863 111,465
Current liabilities:    
Accounts payable 26,893 24,538
Accrued expenses 23,086 23,271
Current portion of litigation settlement 4,326 4,326
Short-term margin loan facility 0 2,566
Total current liabilities 54,305 54,701
Other long-term liabilities 1,784 1,848
Non-current portion of litigation settlement 10,000 10,000
Total liabilities 66,089 66,549
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, 34,329 and 34,097 shares issued and outstanding at June 30, 2014 and December 31, 2013, respectively 34 34
Additional paid-in capital 443,621 441,368
Accumulated other comprehensive income 6 5
Accumulated deficit (397,887) (371,491)
Stockholders' equity before treasury stock 45,774 69,916
Treasury stock at cost; 2,436 common shares at June 30, 2014 and December 31, 2013, respectively (25,000) (25,000)
Total stockholders' equity 20,774 44,916
Total liabilities and stockholders' equity $ 86,863 $ 111,465