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Earnings (Loss) Per Share - Schedule of Basic and Diluted Net Loss Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Earnings Per Share [Abstract]
Net income (loss)	$ (281)	$ 467	$ (246)	$ (950)
Accrued dividend on Series A preferred stock	(95)	(84)	(273)	(242)
Loss applicable to common shareholders	$ (376)	$ 383	$ (519)	$ (1,192)
Basic weighted average common shares outstanding	13,406,000	13,235,000	13,406,000	12,697,000
Dilutive effect of potentially dilutive securities		20,000
Diluted weighted average common shares outstanding	13,405,838	13,255,109	13,405,838	12,697,206
Basic net loss per share	$ (0.03)	$ 0.03	$ (0.04)	$ (0.09)
Diluted net loss per share	$ (0.03)	$ 0.03	$ (0.04)	$ (0.09)

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