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Discontinued Operations - Schedule of Financial Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Net income (loss)	$ (2,087)	$ (1,343)
GridSense Inc. [Member] | Discontinued Operations [Member]
Net income (loss)		38
Gain on deconsolidation		660
Income (loss) from discontinued operations, net of income taxes		$ 698

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