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Consolidated Statements of Operations (USD $)
In Thousands, except Per Share data, unless otherwise specified
 12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Consolidated Statements of Operations [Abstract]      
Net sales $ 25,752 $ 35,129 $ 12,489
Cost of sales 20,581 28,726 10,449
Gross profit 5,171 6,403 2,040
Operating expenses:      
Research and development (515) (202) 319
Sales and marketing 6,200 6,415 6,044
General and administrative 5,062 6,115 5,333
Loss on impairment   156  
Valuation of equity instruments 56 1,812  
Change in estimate of contingent liabilities (411)    
Restructuring   26 125
Total operating expenses 10,392 14,322 11,821
Loss from operations (5,221) (7,919) (9,781)
Other income (expense):      
Interest income 4 6 15
Interest expense (861) (573) (88)
Other income (expense) 21 (25) 47
Loss from continuing operations before income taxes (6,057) (8,511) (9,807)
Benefit from (provision for) income taxes 2 (6) (7)
Net loss from continuing operations (6,055) (8,517) (9,814)
Discontinued operations:      
Loss before income taxes of discontinued operations, including loss on disposal of discontinued operations of $664 in 2009     (1,201)
Provision for income taxes       
Loss from discontinued operations     (1,201)
Net loss $ (6,055) $ (8,517) $ (11,015)
Net loss per share - basic and diluted $ (0.25) $ (0.37) $ (0.70)
Shares used in computing net loss per share - basic and diluted 24,669 22,791 15,763