Net Income (Loss) per Common Share (Details) - shares	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Earnings Per Share [Abstract]
Weighted average common shares outstanding basic	30,518,715	30,029,679
Dilutive effect of stock options and restricted stock (in shares)	470,546	262,904
Weighted average common shares outstanding diluted (in shares)	30,989,261	30,292,583