INTERIM CONSOLIDATED STATEMENTS OF SHAREHOLDERS' 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, 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 income (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
Balance (in shares) at Dec. 31, 2019		6,908	232
Balance at Dec. 31, 2019	(36,916)	$ 69	$ (2,500)	24,026	(59,079)	568
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(753)				(753)
Issuance/redemption of equity grants, net (in shares)		190
Issuance/redemption of equity grants, net	4	$ 1		3
Interest rate cash flow hedge	(279)					(279)
Stock-based compensation	338			338
Balance (in shares) at Mar. 31, 2020		7,098	232
Balance at Mar. 31, 2020	$ (37,606)	$ 70	$ (2,500)	$ 24,367	$ (59,832)	$ 289