INTERIM CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (DEFICIT) - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock	Treasury Stock	Paid-in Capital	Accumulated Deficit	Accumulated Other Comprehensive Income (Loss)
Balance (in shares) at Dec. 31, 2017		6,687	232
Balance at Dec. 31, 2017	$ 6,462	$ 67	$ (2,500)	$ 22,720	$ (14,534)	$ 709
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(103)				(103)
Common stock dividends declared	(350)			13	(363)
Issuance/redemption of equity grants, net (in shares)		86
Issuance/redemption of equity grants, net	(78)	$ 1		(79)
Interest rate cash flow hedge	208					208
Stock-based compensation	236			236
Balance (in shares) at Mar. 31, 2018		6,773	232
Balance at Mar. 31, 2018	6,375	$ 68	$ (2,500)	22,890	(15,000)	917
Balance (in shares) at Dec. 31, 2018		6,751	232
Balance at Dec. 31, 2018	(1,198)	$ 68	$ (2,500)	23,413	(23,016)	837
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(3,346)				(3,346)
Issuance/redemption of equity grants, net (in shares)		163
Issuance/redemption of equity grants, net	42	$ 1		41
Interest rate cash flow hedge	(63)					(63)
Stock-based compensation	140			140
Balance (in shares) at Mar. 31, 2019		6,914	232
Balance at Mar. 31, 2019	$ (4,425)	$ 69	$ (2,500)	$ 23,594	$ (26,362)	$ 774