Quarterly report pursuant to sections 13 or 15(d)

Debt - Additional Information (Detail)

v2.4.0.8
Debt - Additional Information (Detail)
1 Months Ended 3 Months Ended 12 Months Ended 1 Months Ended 3 Months Ended 1 Months Ended
Jun. 30, 2013
USD ($)
May 31, 2013
Mar. 31, 2013
USD ($)
Jun. 21, 2010
Senior Secured Note
USD ($)
Jun. 30, 2013
Senior Secured Note
USD ($)
Mar. 31, 2013
Senior Secured Note
USD ($)
Jun. 21, 2010
Senior Secured Note
Maximum
USD ($)
Apr. 12, 2013
DT Australia Note
USD ($)
Jun. 30, 2013
DT Australia Note
USD ($)
Apr. 12, 2013
DT Australia Note
AUD
Jul. 11, 2013
DT Australia Note
Subsequent Event
AUD
Debt Instrument [Line Items]                      
Principal amount of note       $ 2,500,000 $ 2,902,000       $ 2,433,000 2,280,000,000  
Debt Instrument Maturity Period       3 years              
Interest rate of senior secured note       10.00%              
Conversion price       $ 0.75 $ 0.75     $ 3.65 $ 3.65    
Warrant, exercise price per share   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       1,064,000      
Conversion Value Of Notes       2,500,000              
Discount on Notes 159,000   159,000       2,500,000        
Discount amortized as interest and financing costs         187,000       934,000    
Shares of common stock, issuable up on conversion         3,868,958       666,633    
Amount by which if-converted value exceeds the principal         14,315,000       533,000    
Accrued interest         435,000            
Debt instrument interest rate               6.00%      
Debt instrument term of note               90 days     150 days
Principal payment of note                     280,000,000
Payment of interest                     34,200,000
Remaining amount of debt                     2,000,000,000
Shares of common stock issued up on conversion                     59,964
Total consideration payable in cash and shares of stock, gross $ 1,000,000