Earnings per Share (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Numerator [Abstract]
Net (loss) income attributed to common stockholders	$ (10,537)	$ (12,085)
Denominator [Abstract]
Weighted-average shares outstanding for basic earnings per share (in shares)	20,439,157	20,062,021
Effect of dilutive securities [Abstract]
Employee stock options and warrants	0	0
Adjusted weighted-average shares outstanding and assumed conversions for diluted earnings per share (in shares)	20,439,157	20,062,021
Shares related to dilutive securities excluded from calculation because inclusion would be anti-dilutive (in shares)	0	314,234