Stock Incentive Plans (Details 3) - Non-vested options [Member]	9 Months Ended
	Sep. 30, 2018 $ / shares shares
Options
Non-vested options at January 1, 2018 | shares	46,842
Granted | shares
Vested | shares	(7,942)
Forfeited | shares	(23,813)
Non-vested options at September 30, 2018 | shares	15,087
Weighted-average exercise price
Non-vested options at January 1, 2018 | $ / shares	$ 8.26
Granted | $ / shares
Vested | $ / shares	6.97
Forfeited | $ / shares	9.07
Non-vested options at September 30, 2018 | $ / shares	$ 7.66