CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Statement of Financial Position [Abstract]
Property and equipment, accumulated depreciation	$ 7,144	$ 6,462
Common stock, par value (dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized	25,000,000	25,000,000
Common stock, shares issued	10,314,305	10,182,583
Common stock, shares outstanding	8,906,152	8,904,902
Treasury stock, shares	1,408,152	1,277,681
Long-term Investments Carried at Fair Value	$ 4,001	$ 4,513