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Stock-Based Compensation Plans (Details 1) (USD $)
In Thousands, except Share data, unless otherwise specified
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Summary of stock option activity under the option Plan    
Shares under option outstanding beginning balance 1,501,500 1,661,750
Shares under option, granted 1,424,216 322,500
Shares under option, exercised (23,000) (34,500)
Shares under option, forfeited (430,500) (448,250)
Shares under option outstanding ending balance 2,472,216 1,501,500
Shares under option, exercisable ending balance 808,623 810,623
Weighted average exercise price outstanding beginning balance $ 0.95 $ 0.98
Weighted average exercise price, granted $ 0.26 $ 0.74
Weighted average exercise price, exercised $ 0.63 $ 0.39
Weighted average exercise price, forfeited $ 0.87 $ 0.97
Weighted average exercise price outstanding ending balance $ 0.57 $ 0.95
Weighted average exercise price, exercisable ending balance $ 1.05 $ 1.11
Outstanding, weighted average exercise remaining contractual life 8 years 1 month 6 days 7 years
Exercisable, weighted average exercise remaining contractual life 5 years 4 months 24 days 5 years 9 months 18 days
Outstanding aggregate intrinsic value $ 178 $ 78
Exercisable aggregate intrinsic value $ 5 $ 50