Annual report pursuant to section 13 and 15(d)

Debt - Additional Information (Detail)

v2.4.0.8
Debt - Additional Information (Detail) (USD $)
 1 Months Ended 12 Months Ended
Mar. 31, 2013
Jan. 31, 2013
Dec. 31, 2012
Jun. 30, 2012
Mar. 31, 2012
Jun. 21, 2010
Senior Secured Note
Mar. 31, 2013
Senior Secured Note
Jun. 21, 2010
Senior Secured Note
Maximum
Debt Instrument [Line Items]                
Principal amount of note           $ 2,500,000 $ 2,715,000  
Debt Instrument Maturity Period           3 years    
Interest rate of senior secured note           10.00%    
Conversion price           $ 0.75 $ 0.75  
Warrant, exercise price per share   3.50 3.50 3.50     1.25  
Debt conversion description             For each $1 of New Senior Secured Notes purchased, the purchaser received a Warrant to purchase 0.6666 shares of common stock of the Company  
Warrant term             5 years  
Convertible Senior Secured Notes purchased             1  
Warrant issued to purchase common stock             0.6666  
Fair value of convertible note warrant           1,678,000    
Expected life           5 years    
Risk Free Interest Rate           2.05%    
Dividend Yield           0.00%    
Volatility Rate           54.62%    
Value of the beneficial conversion feature           5,833,000    
Conversion Value Of Notes           2,500,000    
Discount on Notes 159,000       0   187,000 2,500,000
Discount amortized as interest and financing costs             833,000  
Shares of common stock, issuable up on conversion             4,352,578  
Amount by which if-converted value exceeds the principal             16,975,000  
Accrued interest             363,000  
Total consideration payable in cash and shares of stock, gross $ 1,000,000