Stock Incentive Plans (Details 3) - Non Vested Options [Member] - $ / shares	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Non-vested options
Non-vested, Beginning balance	46,842	148,983
Granted	10,000
Vested	(8,413)	(47,618)
Cancelled	(26,437)	(54,523)
Non-vested, Ending balance	21,992	46,842
Weighted-average option exercise price
Non-vested, Beginning balance	$ 8.26	$ 10.20
Granted	7.77
Vested	9.04	12.89
Cancelled	8.99	9.5
Non-vested, Ending balance	$ 6.86	$ 8.26