CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS EQUITY - USD ($) $ in Thousands	Common Stock	Additional Paid-In Capital	Accumulated Surplus	Accumulated Other Comprehensive Income (Loss)	Total
BALANCE at Dec. 31, 2021	$ 114	$ 151,449	$ 137,998	$ (4,945)	$ 284,616
Components of comprehensive income:
Net income			2,065		2,065
Foreign currency translation adjustment				25	25
COMPREHENSIVE INCOME			2,065	25	2,090
Issuance of common stock to non-employee directors		200			200
Stock-based compensation on nonvested restricted stock units		75			75
Dividends paid			(2,055)		(2,055)
BALANCE at Mar. 31, 2022	114	151,724	138,008	(4,920)	284,926
BALANCE at Dec. 31, 2022	114	152,392	150,124	(9,173)	293,457
Components of comprehensive income:
Net income			9,220		9,220
Foreign currency translation adjustment				979	979
COMPREHENSIVE INCOME			9,220	979	10,199
Issuance of common stock to non-employee directors		61			61
Stock-based compensation on nonvested restricted stock units		223			223
Vesting of executive restricted stock units		(214)			(214)
Dividends paid			(2,059)		(2,059)
BALANCE at Mar. 31, 2023	$ 114	$ 152,462	$ 157,285	$ (8,194)	$ 301,667