Stockholders' Equity - Per Share Results (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Earnings per share:
Net income (loss)	$ 2,822	$ (1,151)	$ 3,091	$ (1,919)
Weighted average shares outstanding - basic	10,186,000	7,718,000	10,184,000	6,981,000
Incremental shares from assumed exercise of stock options and warrants and the grant of restricted stock units	156,000		200,000
Adjusted weighted average shares for computation of diluted per share results	10,342,000	7,718,000	10,384,000	6,981,000
Incremental shares from assumed exercise of stock options excluded due to anti-dilutive effect		137,000		136,000