|
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 | |||||||||||||