Stock-Based Compensation (Details 1) (USD $)	6 Months Ended		12 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Dec. 31, 2011
Options Balance	2,979,010	2,539,091	2,539,091
Weighted Average Exercise Price Outstanding	$ 1.34	$ 1.32	$ 1.32
Options Granted	1,550,000		557,002
Weighted Average Exercise Price Granted	$ 2.25	$ 1.34	$ 1.26
Options Exercised	(334,851)	(10,000)	(23,333)
Weighted Average Exercise Price Excercised	$ 0.28		$ 0.57
Options Forfeited or expired	(225,413)		(93,750)
Weighted Average Exercise Price Forfeited or expired	$ 2.37		$ 0.59
Options Balance	3,968,746		2,979,010
Weighted Average Exercise Price Outstanding	$ 1.73		$ 1.34
Weighted Average Remaining Contractual Life, Options Outstanding	7 years 2 months 1 day
Aggregate Intrinsic Value Balance outstanding	$ 1,547,000
Balance exercisable Options	2,412,748
Balance exercisable, Weighted Average Exercise Price	$ 1.54
Weighted Average Remaining Contractual Life Balance exercisable	5 years 11 months 4 days
Balance excercisable Aggregate Intrinsic Value	$ 1,252,000