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Condensed Consolidated Balance Sheets (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2012
Dec. 31, 2011
Current assets:    
Cash and cash equivalents $ 11,647 $ 15,092
Accounts receivable, net 6,654 4,557
Inventories 3,139 4,107
Prepaid expenses and other current assets 2,466 2,341
Total current assets 23,906 26,097
Property and equipment, net 6,606 7,366
Other assets, net 2,570 2,914
Total assets 33,082 36,377
Current liabilities:    
Accounts payable 2,580 4,428
Accrued liabilities and current portion of long-term liabilities 8,197 8,247
Current portion of income taxes payable 165 212
Total current liabilities 10,942 12,887
Long-term liabilities, net of current portion 1,974 2,467
Income taxes payable, net of current portion 2,358 3,223
Total liabilities 15,274 18,577
Commitments and contingencies (Note 10)      
Shareholders’ equity:    
Preferred stock 0 0
Common stock 347,569 346,923
Accumulated other comprehensive loss (67) (67)
Accumulated deficit (329,694) (329,056)
Total shareholders’ equity 17,808 17,800
Total liabilities and shareholders’ equity $ 33,082 $ 36,377