Loss Per Share - Reconciliation of Number of Common Shares Used in Calculation of Basic and Diluted Earnings Per Share (EPS) (Details) - $ / shares	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Earnings Per Share [Abstract]
Basic loss per share (in shares)	18,194,960	17,797,390	18,166,930	17,757,359
Effect of dilutive securities (in shares)	0	0	0	0
Diluted loss (in shares)	18,194,960	17,797,390	18,166,930	17,757,359
Basic loss (in dollars per share)	$ (0.21)	$ (0.17)	$ (0.45)	$ (1.51)
Effect of dilutive securities (in dollars per share)	0	0	0	0
Diluted loss (in dollars per share)	$ (0.21)	$ (0.17)	$ (0.45)	$ (1.51)