|
Fair Value Measurements (Detail) (USD $)
|
Dec. 31, 2012
|
Jun. 30, 2012
|
|---|---|---|
| Fair Value Measurements [Line Items] | ||
| Derivative Liabilities | $ 2,302,000 | $ 4,943,000 |
|
Fair Value, Measurements, Recurring
|
||
| Fair Value Measurements [Line Items] | ||
| Derivative Liabilities | 0 | 0 |
| Total Liabilities | 0 | 0 |
|
Fair Value, Inputs, Level 1
|
||
| Fair Value Measurements [Line Items] | ||
| Derivative Liabilities | 0 | 0 |
| Total Liabilities | 0 | 0 |
|
Fair Value, Inputs, Level 2
|
||
| Fair Value Measurements [Line Items] | ||
| Derivative Liabilities | 0 | 0 |
| Total Liabilities | 0 | 0 |
|
Fair Value, Inputs, Level 3
|
||
| Fair Value Measurements [Line Items] | ||
| Derivative Liabilities | 0 | 0 |
| Total Liabilities | 0 | 0 |
|
Fair Value, Inputs, Level 3 | Fair Value, Measurements, Recurring
|
||
| Fair Value Measurements [Line Items] | ||
| Derivative Liabilities | 2,302,000 | 4,943,000 |
| Total Liabilities | $ 2,302,000 | $ 4,943,000 |