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