|
Shareholders' Equity (Common Stock Warrants) (Details) (USD $)
In Thousands, except Share data, unless otherwise specified |
6 Months Ended |
|---|---|
|
Feb. 28, 2014
|
|
| Class of Warrant or Right [Line Items] | |
| Outstanding, August 31, 2013 | $ 8,666,802 |
| Granted | |
| Exercised | (5,002,063) |
| Expired | |
| Outstanding, February 28, 2014 | 3,664,739 |
| Weighted average exercise price, August 31, 2013 | $ 5.92 |
| Weighted average exercise price, granted | $ 0.00 |
| Weighted average exercise price, exercised | $ 5.86 |
| Weighted average exercise price, expired | $ 0.00 |
| Weighted average exercise price, February 28, 2014 | $ 6.00 |
|
Series C [Member]
|
|
| Class of Warrant or Right [Line Items] | |
| Exercise Price | 6.00 |
| Number of Shares | 3,664,739 |
| Remaining Contractual Life | 9 months 18 days |
| Exercise Price times Number of Shares | $ 21,988 |