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Stock Option Plans (Details) (USD $)
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Outstanding - Weighted Average Contractual Term 3 years 4 years
Employee Stock Option [Member]
   
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Outstanding - Stock Options, Beginning Balance 592,250 736,750
Expired - Stock Options (250) (144,500)
Forfeited - Stock Options (105,500)  
Outstanding - Stock Options, Ending Balance 486,500 592,250
Options exercisable - Stock Options 304,250 322,250
Options expected to vest - Stock Options 182,250  
Outstanding - Weighted Average Exercise Price, Beginning Balance $ 5.23 $ 4.52
Expired - Weighted Average Exercise Price $ 1.00 $ 1.59
Forfeited - Weighted Average Exercise Price $ 5.37  
Outstanding - Weighted Average Exercise Price, Ending Balance $ 5.20 $ 5.23
Options exercisable - Weighted Average Exercise Price $ 4.73 $ 4.59
Options expected to vest - Weighted Average Exercise Price $ 6.00  
Outstanding - Weighted Average Contractual Term 4 years 1 month 6 days  
Options exercisable - Weighted Average Contractual Term 3 years 6 months 4 years 3 months 18 days
Options expected to vest - Weighted Average Contractual Term 5 years  
Outstanding - Aggregate Intrinsic Value $ 0  
Options exercisable - Aggregate Intrinsic Value 0 0
Options expected to vest - Aggregate Intrinsic Value $ 0