CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common Stock	Treasury Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Treasury Stock, Common	Common Stock	Common Stock Additional Paid-in Capital [Member]
BALANCE at the beginning (in shares) at Dec. 31, 2018		21,530,470	(59,174)
BALANCE, at the beginning at Dec. 31, 2018	$ 27,871	$ 215	$ (1)	$ 27,657	$ 0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Dividend declared	(1,537)			(888)
Dividends					(649)
Net Income (Loss) Attributable to Parent	649				649
BALANCE at the end (in shares) at Mar. 31, 2019		21,530,470	(59,174)
BALANCE, at the end at Mar. 31, 2019	27,048	$ 215	$ (1)	26,834	0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
APIC, Share-based Payment Arrangement, Recognition and Exercise	65			65
BALANCE at the beginning (in shares) at Dec. 31, 2018		21,530,470	(59,174)
BALANCE, at the beginning at Dec. 31, 2018	27,871	$ 215	$ (1)	27,657	0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income (Loss) Attributable to Parent	2,474
BALANCE at the end (in shares) at Sep. 30, 2019		21,634,470	(97,636)
BALANCE, at the end at Sep. 30, 2019	$ 26,362	$ 216	$ (1)	26,147	0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Dividends declared per common share	$ 0.21
BALANCE at the beginning (in shares) at Mar. 31, 2019		21,530,470	(59,174)
BALANCE, at the beginning at Mar. 31, 2019	$ 27,048	$ 215	$ (1)	26,834	0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Dividend declared	(1,542)			(764)
Dividends					(778)
Stock option exercise (in shares)		104,000
Stock Issued During Period, Value, Stock Options Exercised	413	$ 1		412
Net Income (Loss) Attributable to Parent	778				778
BALANCE at the end (in shares) at Jun. 30, 2019		21,634,470	(97,636)
BALANCE, at the end at Jun. 30, 2019	26,763	$ 216	$ (1)	26,548	0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
APIC, Share-based Payment Arrangement, Recognition and Exercise	$ 66			66
Dividends declared per common share	$ 0.07
Common Stock, Shares			(38,462)
Dividend declared	$ (1,541)			(494)
Dividends					(1,047)
Net Income (Loss) Attributable to Parent	1,047				1,047
BALANCE at the end (in shares) at Sep. 30, 2019		21,634,470	(97,636)
BALANCE, at the end at Sep. 30, 2019	26,362	$ 216	$ (1)	26,147	0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
APIC, Share-based Payment Arrangement, Recognition and Exercise	$ 93			93
Dividends declared per common share	$ 0.07
Common Stock, Shares	(21,636,420)
BALANCE at the beginning (in shares) at Dec. 31, 2019		21,636,420	(99,039)
BALANCE, at the beginning at Dec. 31, 2019	$ 24,672	$ 216	$ (1)	24,457	0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock Issued During Period, Value, New Issues		$ 10					$ 11,521	$ 11,511
Dividend declared	(1,628)			(1,274)
Dividends					(354)
Sale of Stock, Number of Shares Issued in Transaction							1,000,000
Net Income (Loss) Attributable to Parent	354				354
BALANCE at the end (in shares) at Mar. 31, 2020		22,636,420	(99,039)
BALANCE, at the end at Mar. 31, 2020	35,034	$ 226	$ (1)	34,809	0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
APIC, Share-based Payment Arrangement, Recognition and Exercise	$ 115							115
Dividends declared per common share	$ 0.07
BALANCE at the beginning (in shares) at Dec. 31, 2019		21,636,420	(99,039)
BALANCE, at the beginning at Dec. 31, 2019	$ 24,672	$ 216	$ (1)	24,457	0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Sale of Stock, Number of Shares Issued in Transaction	870,000
Net Income (Loss) Attributable to Parent	$ 1,363
BALANCE at the end (in shares) at Sep. 30, 2020		22,686,708	(99,982)
BALANCE, at the end at Sep. 30, 2020	$ 33,817	$ 227	$ (1)	33,591	0	$ (1)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Dividends declared per common share	$ 0.22
BALANCE at the beginning (in shares) at Mar. 31, 2020		22,636,420	(99,039)
BALANCE, at the beginning at Mar. 31, 2020	$ 35,034	$ 226	$ (1)	34,809	0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock Issued During Period, Value, New Issues		$ 1					$ (2)	$ (3)
Dividend declared	(1,633)			(1,633)
Dividends
Sale of Stock, Number of Shares Issued in Transaction							49,163
Net Income (Loss) Attributable to Parent	(122)				(122)
BALANCE at the end (in shares) at Jun. 30, 2020		22,685,583	(99,039)
BALANCE, at the end at Jun. 30, 2020	34,045	$ 227	$ (1)	33,941	(122)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
APIC, Share-based Payment Arrangement, Recognition and Exercise	$ 768			768
Dividends declared per common share	$ 0.07
Dividend declared	$ (1,633)			(624)
Dividends					(1,009)
Stock option exercise (in shares)		1,125
Stock Issued During Period, Value, Stock Options Exercised	0
Net Income (Loss) Attributable to Parent	1,131				1,131
BALANCE at the end (in shares) at Sep. 30, 2020		22,686,708	(99,982)
BALANCE, at the end at Sep. 30, 2020	33,817	$ 227	$ (1)	33,591	$ 0	$ (1)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
APIC, Share-based Payment Arrangement, Recognition and Exercise	$ 275			$ 275
Dividends declared per common share	$ 0.07
Common Stock, Shares	(22,686,708)		(943)