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Stockholders' Equity (Details Textual) (USD $)
In Thousands, except Per Share data, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Share-based Arrangements with Employees and Nonemployees [Abstract]      
Stock Options, Granted 2,500 44,971  
Stock Options, Exercised 203    
Proceeds from Stock Options Exercised $ 13    
Restricted stock issued 46    
Restricted stock award, value 3    
Restricted stock, issued in connection with recapitalization 452    
Total unrecognized compensation expense related to non-vested share-based compensation arrangements granted under the plans 187    
Unrecognized compensation expense amortization period 1 year 1 month    
Factor used to calculate the number of restricted shares granted to employees in exchange for reductions in their respective salaries $ 0.06    
Treasury Stock, Value, Acquired, Cost Method 325    
Treasury Stock, Value 325    
Treasury Stock, Shares 6,500 0  
Stock-based compensation expense $ 461 $ 804  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Contractual term 5 years 7 months    
Number of shares outstanding under the Stock Compensation Plan 44,529 51,353 10,028
Excercisable stock options 23,319 14,539  
Weighted average exercise price $ 0.05 $ 0.09 $ 0.33
1999 Stock Compensation Plan [Member]
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of shares authorized under the Stock Compensation Plan 4,000    
Contractual term 7 years    
Vesting period 3 years    
Number of shares outstanding under the Stock Compensation Plan 345    
Excercisable stock options 345    
Weighted average exercise price $ 0.389    
2009 Stock Compensation Plan [Member]
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of shares authorized under the Stock Compensation Plan 7,000    
Vesting period 3 years    
Number of shares outstanding under the Stock Compensation Plan 425    
Excercisable stock options 379    
Weighted average exercise price $ 0.105    
2009 Stock Compensation Plan [Member] | Minimum [Member]
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Contractual term 3 years    
2009 Stock Compensation Plan [Member] | Maximum [Member]
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Contractual term 7 years    
2011 Stock Compensation Plan [Member]
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of shares authorized under the Stock Compensation Plan 100    
Contractual term 7 years    
Vesting period 3 years    
Initial number of options outstanding 50    
Number of shares outstanding under the Stock Compensation Plan 43,609    
Excercisable stock options 22,445    
Weighted average exercise price $ 0.0464    
Individual Stock Option Plans [Member]
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Contractual term 4 years    
Vesting period 7 years    
Number of shares outstanding under the Stock Compensation Plan 150    
Excercisable stock options 150    
Weighted average exercise price $ 0.192