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CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $)
In Thousands, except Share data, unless otherwise specified
Mar. 31, 2012
Dec. 31, 2011
CONSOLIDATED BALANCE SHEETS    
Accounts receivable, allowance $ 19 $ 18
Inventories, reserves 54 85
Common Stock, shares authorized (in shares) 10,000 10,000
Common Stock, issued shares (in shares) 5,554 5,527
Common Stock, outstanding shares (in shares) 5,554 5,527
Assets of the consolidated variable interest entity 11,231 11,771
Liabilities of the consolidated variable interest entity $ 1,947 $ 2,186