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10. Stockholders' Equity (Details Narrative) (USD $)
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Stock-based compensation for employees $ 132,000 $ 185,000
Aggregate intrinsic value of options exercised 6,000  
Weighted average grant-date fair value per share price $ 0.18 $ 0.15
Unamortized compensation expense 150,000  
Unamortized compensation expense remaining service period 2 years 3 months 22 days  
Common stock issued upon restricted stock vested 326,000  
Common stock issued upon warrants exercised 798,000  
Warrants issued in connection with private placement 3,600,000  
Fair value of warrants issued $ 1,379,000  
2004 Plan [Member]
    
Options outstanding 773,000  
2010 Plan [Member]
    
Options outstanding 1,891,000