Consolidated Statements of Changes in Stockholders' Equity - USD ($) $ in Thousands	Common Stock	Treasury Stock	Additional Paid-In Capital	Accumulated Other Comprehensive (Loss) Gain	Retained Earnings	Total
Balances at Dec. 31, 2017	$ 12,094	$ (13,870)	$ 8,881	$ (1,634)	$ 44,467	$ 49,938
Balances (shares) at Dec. 31, 2017	3,374,061
Net income					764	764
Other comprehensive gain (loss)				18		18
Stock compensation expense			168			168
Distributions to shareholders					(371)	(371)
Cash settlement of stock options			(25)			(25)
Balances at Mar. 31, 2018	$ 12,094	(13,870)	9,024	(1,616)	44,860	50,492
Balances (shares) at Mar. 31, 2018	3,374,061
Balances at Dec. 31, 2017	$ 12,094	(13,870)	8,881	(1,634)	44,467	49,938
Balances (shares) at Dec. 31, 2017	3,374,061
Net income						3,200
Cash settlement of stock options						(242)
Balances at Jun. 30, 2018	$ 12,094	(13,870)	8,946	(1,869)	46,925	52,224
Balances (shares) at Jun. 30, 2018	3,374,061
Balances at Mar. 31, 2018	$ 12,094	(13,870)	9,024	(1,616)	44,860	50,492
Balances (shares) at Mar. 31, 2018	3,374,061
Net income					2,436	2,436
Other comprehensive gain (loss)				(253)		(253)
Stock compensation expense			139			139
Distributions to shareholders					(371)	(371)
Cash settlement of stock options			(217)			(217)
Balances at Jun. 30, 2018	$ 12,094	(13,870)	8,946	(1,869)	46,925	52,224
Balances (shares) at Jun. 30, 2018	3,374,061
Balances at Dec. 31, 2018	$ 12,094	(14,235)	8,982	(2,058)	47,550	$ 52,333
Balances (shares) at Dec. 31, 2018	3,350,833					4,838,071
Net income					807	$ 807
Other comprehensive gain (loss)				1		1
Adoption of ASU				(122)	122
Stock compensation expense			212			212
Distributions to shareholders					(405)	(405)
Cash settlement of stock options			(80)			(80)
Balances at Mar. 31, 2019	$ 12,094	(14,235)	9,114	(2,179)	48,074	52,868
Balances (shares) at Mar. 31, 2019	3,350,833
Balances at Dec. 31, 2018	$ 12,094	(14,235)	8,982	(2,058)	47,550	$ 52,333
Balances (shares) at Dec. 31, 2018	3,350,833					4,838,071
Net income						$ 3,478
Cash settlement of stock options						(779)
Balances at Jun. 30, 2019	$ 12,094	(14,235)	8,701	(2,099)	50,341	$ 54,802
Balances (shares) at Jun. 30, 2019	3,350,833					4,838,071
Balances at Mar. 31, 2019	$ 12,094	(14,235)	9,114	(2,179)	48,074	$ 52,868
Balances (shares) at Mar. 31, 2019	3,350,833
Net income					2,671	2,671
Other comprehensive gain (loss)				80		80
Stock compensation expense			286			286
Distributions to shareholders					(404)	(404)
Cash settlement of stock options			(699)			(699)
Balances at Jun. 30, 2019	$ 12,094	$ (14,235)	$ 8,701	$ (2,099)	$ 50,341	$ 54,802
Balances (shares) at Jun. 30, 2019	3,350,833					4,838,071

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