Quarterly report pursuant to sections 13 or 15(d)

Convertible Notes - Additional Information (Detail)

v2.4.0.6
Convertible Notes - Additional Information (Detail) (USD $)
In Thousands, except Share data, unless otherwise specified
3 Months Ended 1 Months Ended 12 Months Ended 1 Months Ended 3 Months Ended 12 Months Ended 1 Months Ended 3 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Dec. 29, 2011
Taja Convertible Note
Mar. 31, 2012
Taja Convertible Note
Mar. 19, 2012
Amended Taja Convertible Note
Jun. 30, 2012
Amended Taja Convertible Note
Mar. 31, 2012
Amended Taja Convertible Note
Mar. 01, 2012
Amended Taja Convertible Note
Mar. 01, 2012
Amended Taja Convertible Note
Maximum
Mar. 01, 2012
Amended Taja Convertible Note
Minimum
Jun. 21, 2010
Amended ValueAct Note
Jun. 30, 2012
Coverage Warrant
Jun. 30, 2012
Incentive Warrant
Jun. 30, 2012
Conversion Warrants
Non Cash Convertible Debt Related Expense [Line Items]                            
Principal amount of note     $ 500     $ 1,180         $ 3,500     $ 3,000
Principal amount of note, stripped out     3,000                      
Accrued interest     562                      
Total amount of debt     1,062                      
Warrant issued as consideration for amending the note     2,000                      
Warrant, exercise price per share 0.70   0.25                      
Percentage of warrant coverage     25.00%                      
Warrant Term     5 years                      
Warrant vesting period from issue date     1 year                      
Gain (loss) on extinguishment of debt       1,459     1,346              
Conversion price           $ 0.70   $ 0.70            
Conversion of the note, ownership percentage by holder                 4.90%          
Net proceeds                   10,000        
Fair value of embedded conversion feature of convertible note           2,250                
Expected life           1 year               5 years
Risk free interest rate           0.17%               0.84%
Dividend yield           0.00%               0.00%
Volatility           175.00%               175.00%
Fair value of convertible note warrant                       750 1,459  
Excess face value charge as interest expense                           837
Shares of common stock issued up on conversion         2,600                  
Convertible note, amount converted         1,820                  
Interest expense of related to the amortization of the debt discount 354 208       146                
Discount on notes           980                
Shares of common stock, issuable up on conversion           1,686,000                
Amount by which if-converted value exceeds the principal           $ 84