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Note 14 - Income Taxes (Details) - Deferred Tax Assets (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Deferred Tax Assets [Abstract]      
Allowance for doubtful accounts $ 15 $ 53 $ 60
Accrued expenses and other reserves 2,048 2,197 2,264
Tax credits, deferred R&D, and other 748 907 656
Net operating loss 5,535 25,980 24,931
Valuation allowance (8,344) (29,135) (27,909)
Net total deferred taxes $ 2 $ 2 $ 2