Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Consolidated Balance Sheets
Accounts receivable, allowances (in dollars)	$ 842	$ 881
Common Stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common Stock, shares authorized	10,000,000	10,000,000
Common Stock, shares issued	5,284,500	5,284,500
Common Stock, shares outstanding	4,478,432	4,424,672
Treasury stock, shares	806,068	859,828