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Discontinued Operations - Schedule of Financial Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Revenue	$ 1,045	$ 1,915	$ 2,141	$ 6,676
Gross profit (loss)	594	782	1,208	2,413
Net income (loss)	(526)	2,342	(796)	(684)
GridSense Inc. [Member] | Discontinued Operations [Member]
Revenue		64		207
Gross profit (loss)		53		23
Net income (loss)		$ (224)	$ 65	$ (1,610)

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