Stock-Based Compensation (Details 1) - Stock options [Member]	3 Months Ended
	Mar. 31, 2017 $ / shares shares
Summary of all stock option plans
Number of Options/Warrants Outstanding, Beginning Balance | shares	1,846,000
Number of Options Outstanding, Granted | shares
Number of Options Outstanding, Forfeited | shares	(90,000)
Number of Options/Warrants Outstanding, Ending Balance | shares	1,756,000
Weighted Average Exercise Price, Outstanding, Beginning Balance | $ / shares	$ 4.39
Weighted Average Exercise Price, Granted | $ / shares
Weighted Average Exercise Price, Expired/cancelled | $ / shares
Weighted Average Exercise Price, Outstanding, Ending Balance | $ / shares	$ 4.20