Consolidated Statements of Changes in Stockholders' Equity - USD ($) $ in Thousands	Common Stock	Treasury Stock	Additional Paid-In Capital	Accumulated Other Comprehensive Loss	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				18
Stock compensation expense			168			168
Distributions to shareholders					(371)	(371)
Cash settlement of stock options			(25)			(45)
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, 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				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					4,838,071