CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common Stock	Treasury Stock	Paid-in Capital	Retained Earnings
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Treasury stock (in shares)			(102,711)
BALANCE at the beginning (in shares) at Dec. 31, 2020		22,690,477
BALANCE, at the beginning at Dec. 31, 2020	$ 32,188	$ 227	$ (1)	$ 31,962	$ 0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Dividends	(1,650)			(1,650)
Treasury Stock (in shares)			(398)
Stock option exercise (in shares)		628
Stock compensation	271			271
Net income (loss)	(217)				(217)
BALANCE at the end (in shares) at Mar. 31, 2021		22,691,105
BALANCE, at the end at Mar. 31, 2021	30,592	$ 227	$ (1)	30,583	(217)
BALANCE at the beginning (in shares) at Dec. 31, 2020		22,690,477
BALANCE, at the beginning at Dec. 31, 2020	32,188	$ 227	(1)	31,962	0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	1,765
BALANCE at the end (in shares) at Jun. 30, 2021		22,748,143
BALANCE, at the end at Jun. 30, 2021	30,964	$ 227	$ (1)	30,955	(217)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Treasury stock (in shares)			(103,109)
BALANCE at the beginning (in shares) at Mar. 31, 2021		22,691,105
BALANCE, at the beginning at Mar. 31, 2021	30,592	$ 227	$ (1)	30,583	(217)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Dividends	(1,652)			330	(1,982)
Issuance of common stock (in shares)		54,163
Treasury Stock (in shares)			(24,599)
Treasury stock	4
Stock option exercise (in shares)		2,875
Stock compensation	38			38
Net income (loss)	1,982				1,982
BALANCE at the end (in shares) at Jun. 30, 2021		22,748,143
BALANCE, at the end at Jun. 30, 2021	$ 30,964	$ 227	$ (1)	30,955	(217)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Treasury stock (in shares)			(127,708)
Treasury stock (in shares)	(182,445)		(182,445)
BALANCE at the beginning (in shares) at Dec. 31, 2021		22,832,013
BALANCE, at the beginning at Dec. 31, 2021	$ 30,029	$ 228	$ (2)	29,803	0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Dividends	(1,670)			(781)	(889)
Stock option exercise (in shares)		250
Stock option exercise	3			3
Stock compensation	389			389
Net income (loss)	889				889
BALANCE at the end (in shares) at Mar. 31, 2022		22,832,263
BALANCE, at the end at Mar. 31, 2022	29,640	$ 228	(2)	29,414	0
BALANCE at the beginning (in shares) at Dec. 31, 2021		22,832,013
BALANCE, at the beginning at Dec. 31, 2021	30,029	$ 228	(2)	29,803	0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	2,996
BALANCE at the end (in shares) at Jun. 30, 2022		22,939,811
BALANCE, at the end at Jun. 30, 2022	29,861	$ 228	$ (2)	29,635	0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Treasury stock (in shares)			(182,445)
BALANCE at the beginning (in shares) at Mar. 31, 2022		22,832,263
BALANCE, at the beginning at Mar. 31, 2022	29,640	$ 228	$ (2)	29,414	0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Dividends	(1,674)			433	(2,107)
Issuance of common stock (in shares)		107,548
Treasury Stock (in shares)			(40,756)
Treasury stock	257
Stock compensation	45			45
Net income (loss)	2,107				2,107
BALANCE at the end (in shares) at Jun. 30, 2022		22,939,811
BALANCE, at the end at Jun. 30, 2022	$ 29,861	$ 228	$ (2)	$ 29,635	$ 0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Treasury stock (in shares)	(223,202)		(223,201)