v2.4.0.6
Stock-Based Compensation (Details Textual) (USD $)
3 Months Ended 9 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Jun. 30, 2010
Sep. 30, 2012
Plans
Sep. 30, 2011
Dec. 31, 2011
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Shares outstanding under equity incentive plans 643,000     643,000   633,000
Stock Based Compensation (Textual) [Abstract]            
Number of equity incentive plan       2    
Expense related to options granted under equity incentive plans $ 27,000 $ 19,000   $ 84,000 $ 45,000  
Stock options granted under equity incentive plans       10,000 250,000  
Fair value assumption, risk-free interest rate       0.91%    
Fair value assumption, expected dividend yield       0.00%    
Fair value assumption, expected term (years)       4 years    
Fair value assumption, expected volatility rate       109.00%    
Unrecognized compensation expense related to non-vested stock options 93,000     93,000    
Recognition of unrecognized compensation expense, weighted-average period (in years)       10 months 17 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      
Investment warrants expiration period (years)     6 years      
2006 Equity Incentive Plan [Member]
           
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Shares outstanding under equity incentive plans 631,000     631,000    
Shares available for grant under equity incentive plans 717,000     717,000    
2003 Stock Option Plan [Member]
           
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Shares outstanding under equity incentive plans 12,000     12,000    
Shares available for grant under equity incentive plans 0     0    
Hong Kong Subsidiary [Member]
           
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Value funded to affiliates     1,000,000      
Agreed additional funding to affiliates     1,000,000      
Estimated fair value of warrants 365,000     365,000    
Warrant performance period (years)       3 years    
Stock expenses on equity-based payments related to warrants $ 30,000 $ 30,000   $ 90,000 $ 90,000