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11. Stock Based Compensation (Tables)
 12 Months Ended
Dec. 31, 2013
Stock Based Compensation Tables  
Schedule of options granted under employee stock plans
    Shares Available     Number of     Weighted-Average  
    for Grant     Shares Outstanding     Exercise Price  
Balance as of December 31, 2011     1,656,148       6,803,701       0.94  
Authorized     1,000,000       —       —  
Granted     (2,555,000 )     2,555,000       0.55  
Exercised     —       (321,965 )     0.23  
Forfeited/Expired     1,511,902       (1,511,902 )     2.17  
Balance as of December 31, 2012     1,611,134       7,524,834     $ 0.59  
Authorized     1,000,000       —       —  
Granted     (2,876,000 )     2,876,000       0.58  
Exercised     —       (264,005 )     0.33  
Forfeited/Expired     1,009,332       (1,009,332 )     1.53  
Balance as of December 31, 2013     744,466       9,127,497     $ 0.49  
Schedule of weighted average fair value calculations for options
    Number of Shares     Weighted Average Exercise Price     Remaining Contractual Term (In Years)     Average Intrinsic Value1  
2013                        
Vested     5,163,175     $ 0.44       1.77     $ 523,112  
Unvested     3,694,322       0.57       4.11       8,931  
Total     9,127,497     $ 0.49       2.79     $ 532,043  
                                 
2012                                
Vested     5,061,850     $ 0.63       2.21     $ 2,081,910  
Unvested     2,462,984       0.52       4.69       435,197  
Total     7,524,834     $ 0.59       3.02     $ 2,517,107  
Schedule of assumptions for weighted-average fair value calculations for options granted
    Fiscal Year Ended December 31  
    2013     2012  
Expected dividend yield     0 %     0 %
Risk-free interest rate     0.13% - 0.67 %     0.28% - 0.38 %
Expected volatility     60.39% - 79.70 %     79.08 %
Expected Life (years)     1.0 – 3.0       2.0 – 3.0  
Weighted average fair value per share of common stock   $ 0.28     $ 0.26  
Schedule of Outside Company Stock Plan
    Number of Shares     Weighted Average Exercise Price     Remaining Contractual Term (In Years)     Average Intrinsic Value2  
2013                        
Vested     690,000     $ 0.55       3.85     $ -  
Unvested     287,500       0.55       3.85       -  
Total     977,500     $ 0.55       3.85     $ -  
                                 
2012                                
Vested     402,500     $ 0.55       4.85     $ 60,375  
Unvested     575,000       0.55       4.85       86,250  
Total     977,500     $ 0.55       4.85     $ 146,625