Stock-Based Compensation (Details 1) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Summary of Company's Stock Option activity
Outstanding, Shares, Beginning Balance	1,628,167	1,334,667
Outstanding, Weighted Average Exercise Price, Beginning Balance	$ 1.35	$ 1.41
Outstanding, Weighted Average Remaining Contractual Term, Beginning Balance	6 years 3 months 4 days	5 years 8 months 27 days
Granted, Shares	813,500	562,500
Granted, Weighted Average Exercise Price	$ 0.66	$ 1.12
Granted, Weighted Average Remaining Contractual Term	9 years 1 month 17 days	9 years 2 months 12 days
Exercised, Shares	0	0
Exercised, Weighted Average Exercise Price
Canceled or expired, Shares	(362,667)	(269,000)
Canceled or expired, Weighted Average Exercise Price	$ 1.61	$ 1.19
Canceled or expired, Weighted Average Remaining Contractual Term	5 years 3 months 15 days	4 years 10 months 17 days
Outstanding, Shares, Ending Balance	2,079,000	1,628,167
Outstanding, Weighted Average Exercise Price, Ending Balance	$ 1.03	$ 1.35
Outstanding, Weighted Average Remaining Contractual Term, Ending Balance	6 years 9 months 7 days	6 years 3 months 4 days
Outstanding, Aggregate Intrinsic Value, Ending Balance
Exercisable, Shares	982,625	864,917
Exercisable, Weighted Average Exercise Price	$ 1.26	$ 1.50
Exercisable, Weighted Average Remaining Contractual Term	5 years 1 month 17 days	4 years 11 months 23 days
Exercisable, Aggregate Intrinsic Value
Vested and expected to vest, Shares	2,037,742	1,585,098
Vested and expected to vest, Weighted Average Exercise Price	$ 1.03	$ 1.35
Vested and expected to vest, Weighted Average Remaining Contractual Term	6 years 8 months 23 days	6 years 2 months 23 days
Vested and expected to vest, Aggregate Intrinsic Value