v2.4.0.6
Stockholders' Equity (Details Textual) (USD $)
 3 Months Ended 12 Months Ended
Jun. 30, 2010
Dec. 31, 2012
Plans
Dec. 31, 2011
Dec. 31, 2010
Stockholders Equity (Textual) [Abstract]        
Shares outstanding under equity incentive plans   643,000 633,000  
Stock expenses on equity-based payments related to warrants   $ 122,000 $ 122,000 $ 81,000
Stockholders Equity (Additional Textual) [Abstract]        
Preferred stock, shares authorized   10,000,000 10,000,000  
Preferred stock, shares outstanding          
Common stock, shares authorized   40,000,000 40,000,000  
Common stock, shares outstanding   14,184,000 14,184,000  
Number of equity incentive plan   2    
Allocated share-based compensation expense, net of tax   231,000 195,000 129,000
Stock options granted under equity incentive plans   10,000    
Common stock authorized for issuance there-under   1,000,000    
Common stock authorized for issuance additional   348,208    
Term of vesting schedule   10 years    
Vested share exercised   3 months    
Vesting of outstanding options   100.00%    
Period of option granted vest   3 years    
Fair value assumption, risk-free interest rate   0.91% 0.63% 0.49%
Fair value assumption, expected dividend yield   0.00% 0.00% 0.00%
Aggregate intrinsic value closing stock price   $ 0.65    
Unrecognized compensation expense related to non-vested stock options   66,000    
Recognition of unrecognized compensation expense, weighted-average period (in years)   7 months 21 days    
Equity ownership percentage to benefit China employees 38.00%      
Committed employee reserve, percentage to attract future employees as needed 5.00%      
Price of warrant 1.00      
Vesting period of warrant Vesting to occur one-third upon the first anniversary of the warrant and the remaining two-thirds to vest on a monthly basis over the succeeding 24 months      
Fair value of options granted   $ 0.54 $ 0.47 $ 0.58
Option exercises   0    
Investment warrants expiration period (years) 6 years      
Fair value of options that vested   110,000 79,000 41,000
Maximum [Member]
        
Stockholders Equity (Textual) [Abstract]        
Fair value assumption, expected volatility rate   109.00% 109.00% 109.00%
Fair value assumption, expected term (years)   7 years 7 years 7 years
Minimum [Member]
        
Stockholders Equity (Textual) [Abstract]        
Fair value assumption, expected volatility rate   108.00% 108.00% 108.00%
Fair value assumption, expected term (years)   3 years 3 years 3 years
2006 Equity Incentive Plan [Member]
        
Stockholders Equity (Textual) [Abstract]        
Shares outstanding under equity incentive plans   631,000    
Shares available for grant under equity incentive plans   717,000    
2003 Stock Option Plan [Member]
        
Stockholders Equity (Textual) [Abstract]        
Shares outstanding under equity incentive plans   12,000    
Shares available for grant under equity incentive plans   0    
Hong Kong Subsidiary [Member]
        
Stockholders Equity (Textual) [Abstract]        
Value funded to affiliates 1,000,000      
Agreed additional funding to affiliates 1,000,000      
Estimated fair value of warrants   $ 365,000    
Warrant performance period (years)   3 years