XML 29 R19.htm IDEA: XBRL DOCUMENT v2.4.0.6
Stock-based Compensation - Additional Information (Detail) (USD $)
3 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Jun. 30, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Shares issued 112,848,000   110,174,000
Common stock shares outstanding 112,848,000   110,174,000
Compensation based option and restricted stock shares granted during period 233,900 87,500  
Stock based compensation reflect in additional paid in capital   $ 355,000  
Risk free rate 0.82% 0.93%  
Risk free interest rate, maximum 0.88% 0.95%  
Dividend yield 0.00%    
Expected volatility rate 126.00% 137.00%  
Employee related [Member]
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock based compensation reflect in additional paid in capital 489,000 251,000  
Non-employee related [Member]
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock based compensation reflect in additional paid in capital 0 $ 104,000  
2007 Plan [Member]
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Shares issued 10,000,000    
Right to purchase common stock, minimum price 0.21    
Right to purchase common stock, maximum price 1.50    
Common stock shares outstanding 6,100,000    
2010 Plan [Member]
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Common stock shares outstanding 4,200,000    
Stock available for issuance 6,900,000    
Minimum [Member]
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock available for issuance 0.63    
Expected life 4 years    
Minimum [Member] | 2007 Plan [Member]
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share based payment award, vesting period 1 year    
Maximum [Member]
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock available for issuance 3.53    
Expected life 6 years    
Maximum [Member] | 2007 Plan [Member]
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share based payment award, vesting period 3 years