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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, 2020	Jun. 30, 2020	Mar. 31, 2020	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Sep. 30, 2020	Sep. 30, 2019
Earnings Per Share [Abstract]
Net loss	$ (1,713)	$ (3,651)	$ (306)	$ (281)	$ 20	$ 15	$ (5,670)	$ (246)
Accrued dividend on Series A preferred stock	(107)			(95)			(310)	(273)
Loss applicable to common shareholders	$ (1,820)			$ (376)			$ (5,980)	$ (519)
Basic weighted average common shares outstanding	1,400			1,341			1,387	1,341
Dilutive effect of potentially dilutive securities
Diluted weighted-average common shares outstanding	1,400			1,341			1,387	1,341
Basic net loss per share	$ (1.30)			$ (0.28)			$ (4.31)	$ (0.39)
Diluted net loss per share	$ (1.30)			$ (0.28)			$ (4.31)	$ (0.39)

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
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