Annual report pursuant to section 13 and 15(d)

Convertible Promissory Notes and Warrants - Additional Information (Detail)

v2.4.0.8
Convertible Promissory Notes and Warrants - Additional Information (Detail) (USD $)
 1 Months Ended 12 Months Ended 12 Months Ended 1 Months Ended 1 Months Ended 12 Months Ended
Sep. 30, 2012
Dec. 31, 2009
Y
Dec. 31, 2012
Dec. 31, 2011
Dec. 21, 2009
Dec. 31, 2012
Gain (Loss) on Debt Restructuring
Sep. 30, 2012
Common Stock
Feb. 28, 2012
Amended Debt Instrument
Feb. 28, 2012
Convertible Notes Payable
Amended Debt Instrument
Dec. 31, 2012
Convertible Promissory Notes
Dec. 31, 2009
Series A
Convertible Promissory Notes And Warrants [Line Items]                      
Issue of convertible promissory notes         $ 2,400,000            
Warrants issued         935,040            
Outstanding Series A Preferred Stock Prior to Conversion                     480
Exchange Warrants exercise price   5.08                  
Exchange Warrants expiration period   3 years                  
Convertible Promissory Notes, interest rate         1.00%       10.00%    
Convertible Promissory Note, maturity date   3                  
Convertible Promissory note, number of common shares         450,281     450,281      
Convertible Promissory note, conversion price   $ 5.33           $ 5.33      
Convertible Promissory Notes, value allocated         2,150,000            
Convertible Promissory Notes, face value         2,472,000            
Convertible Promissory Notes, discount         322,000            
Discount amortization charges     82,000 107,000              
Convertible Promissory Notes, expiring date                 Jun. 30, 2013    
Convertible Promissory note, cash paid upon conversion 880,000                    
Convertible Promissory note, common stock shares issued upon conversion             1,000,000        
Accrued Interest     141,000                
Gain on debt restructuring     1,048,000                
Decrease in basic and diluted loss per share due to gain on debt restructuring           $ 0.05          
Increase in stockholders' Equity due to recording of gain on debt restructuring           1,636,000          
Issuance of convertible stock                   $ 588,000