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Discontinued Operations - Schedule of Financial Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Revenue	$ 1,096	$ 4,761
Gross profit (loss)	614	1,631
Net income (loss)	(270)	(3,026)
GridSense [Member] | Discontinued Operations [Member]
Revenue		143
Gross profit (loss)		(30)
Net income (loss)	$ 65	$ (1,386)

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Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity.

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