|
Stock-based Compensation (Restricted Stock Activity) (Details) (USD $)
|
3 Months Ended |
9 Months Ended |
12 Months Ended |
|
Sep. 30, 2011
|
Sep. 30, 2012
|
Sep. 30, 2011
|
Sep. 30, 2012
Restricted Stock [Member]
|
Dec. 31, 2011
Restricted Stock [Member]
|
| Restricted Stock Awards [Roll Forward] |
|
|
|
|
|
| Restricted Shares, Non-vested restricted stock, Beginning Balance |
|
|
|
40,607 |
|
| Restricted Shares, Granted |
|
|
|
40,688 |
|
| Restricted Shares, Vested |
|
|
|
(40,688) |
|
| Restricted Shares, Cancelled/expired |
|
|
|
(20,297) |
|
| Restricted Shares, Non-vested restricted stock, Ending Balance |
|
|
|
20,310 |
40,607 |
| Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Roll Forward] |
|
|
|
|
|
| Weighted-Average Grant Date Fair Value, Non-vested restricted stock, Beginning Balance |
|
|
|
$ 0.68 |
|
| Weighted-Average Grant Date Fair Value, Granted |
|
|
|
$ 0.32 |
|
| Weighted-Average Grant Date Fair Value, Vested |
|
|
|
$ 0.32 |
|
| Weighted-Average Grant Date Fair Value, Cancelled/expired |
|
|
|
$ 0.68 |
|
| Weighted-Average Grant Date Fair Value, Non-vested restricted stock, Ending Balance |
|
|
|
$ 0.68 |
$ 0.68 |
| Weighted-Average Contractual Life, Non-vested restricted stock |
|
|
|
8 years 11 months 9 days |
9 years 8 months 9 days |
| Shares withheld as payment for withholding taxes |
0 |
0 |
47,352 |
|
|
| Average market value per share, for tax withholdings |
|
|
$ 1.32 |
|
|