Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Preferred stock, authorized (in shares)	1,000,000	1,000,000
Preferred stock, par value (in dollars per share)	$ 0.0005	$ 0.0005
Preferred stock, issued (in shares)	0	0
Preferred Stock, outstanding (in shares)	0	0
Common stock, authorized (in shares)	50,000,000	50,000,000
Common stock, par value (in dollars per share)	$ 0.0005	$ 0.0005
Common stock, outstanding (in shares)	16,845,029	16,210,776
Treasury stock (in shares)	18,940,967	18,126,970
2023 Note
Discount	$ 334	$ 0