Stock-Based Compensation (Details 3) - Warrant [Member]	9 Months Ended
	Sep. 30, 2015 $ / shares shares
Summary of all stock option plans
Number of Options/Warrants Outstanding, Beginning Balance | shares	3,335,073
Warrants, Granted | shares
Warrants, Expired/cancelled | shares	(16,000)
Warrants, Exercised | shares	(80,000)
Number of Options/Warrants Outstanding, Ending Balance | shares	3,239,073
Weighted Average Exercise Price, Outstanding, Beginning Balance	$ 4.45
Weighted Average Exercise Price, Granted
Weighted Average Exercise Price, Expired/cancelled	$ 1.00
Weighted Average Exercise Price, Exercised	0.50
Weighted Average Exercise Price, Outstanding, Ending Balance	$ 4.57
Weighted Average Remaining Contractual Life, Outstanding and exercisable, Beginning Balance	11 months 5 days
Weighted Average Remaining Contractual Life, Outstanding and exercisable, Ending Balance	2 months 1 day