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Note 6 - Stock Based Compensation (Details) - Summary of Option Activity Under All Plans (USD $)
In Thousands, except Per Share data, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2010
Summary of Option Activity Under All Plans [Abstract]      
Number of Options 5,592   5,602
Weighted Average Exercise Price $ 0.21   $ 0.21
Average Remaining Contractual Life (Years) 5 years 193 days    
Aggregate Intrinsic Value $ 0    
Exercisable, December 31, 2013 5,386    
Exercisable, December 31, 2013 $ 0.19    
Exercisable, December 31, 2013 2 years 29 days    
Exercisable, December 31, 2013 $ 0    
Granted, Number of Options 5,639 468  
Granted, Weighted Average Exercise Price $ 0.09 $ 0.17  
Forfeited, Number of Options (643) (3)  
Forfeited, Weighted Average Exercise Price $ 0.10 $ 0.55  
Cancelled, Number of Options (502) (475)  
Cancelled, Weighted Average Exercise Price $ 0.16 $ 0.24  
Number of Options 10,086 5,592 5,602
Weighted Average Exercise Price $ 0.15 $ 0.21 $ 0.21