(Loss) Earnings Per Share - Basic and Diluted (Details) - shares	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Basic:
Basic (in shares)	28,927,406	28,143,791
Effect of dilutive securities:
Common stock options (in shares)	0	225,971
Total weighted average shares outstanding assuming dilution (in shares)	28,927,406	28,369,762
Shares of common stock issued from the exercise of stock options (in shares)	7,021	146,765