Earnings (Loss) Per Share - Basic and Diluted (Details) - shares	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Basic:
Weighted average shares outstanding, basic	30,979,207	30,372,310	30,707,426	30,020,258
Effect of dilutive securities:
Common stock options	0	0	0	0
Total weighted average shares outstanding assuming dilution	30,979,207	30,372,310	30,707,426	30,020,258