XML 92 R58.htm IDEA: XBRL DOCUMENT v2.4.0.6
Stock Options (Narrative) (Details) (USD $)
 0 Months Ended 12 Months Ended
Feb. 01, 2008
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Oct. 25, 2000
Number of shares that may be granted         7,000,000
Number of additional shares that may be granted 3,500,000        
Stock Incentive Plan term   10 years      
Purchase price floor of fair market value   85.00%      
Weighted average fair value of options granted   $ 0.47 $ 0.55    
Compensation expense   $ 52,000 $ 165,000 $ 111,000  
Unrecognized compensation costs   60,000      
Unrecognized compensation costs weighted average recognition period   1 year 3 months      
Expected volatility   65.00% 59.30% 62.40%  
Risk free interest rate   2.71% 3.64% 3.77%  
Stock Options [Member]
          
Compensation expense   $ 50,000 $ 200,000 $ 100,000  
Minimum [Member]
          
Voting power   10.00%      
option life remaining   1 month 6 days 1 year 1 month 6 days 2 years 1 month 6 days  
Maximum [Member]
          
option life remaining   4 years 9 months 18 days 4 years 9 months 18 days 4 years 8 months 12 days  
Voluntary Resignation [Member]
          
Stock Incentive Plan exercisable period   3 months      
10% Of Total Voting Power [Member]
          
Stock Incentive Plan exercisable period   5 years      
Purchase price floor of fair market value   110.00%