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Discontinued Operations (Details Textual) - USD ($)	3 Months Ended		12 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018
Discontinued Operations (Textual)
Non-cash operating amounts for discontinued operations depreciation	$ 6,000	$ 49,000
Amortization		$ 38,000
EPC [Member]
Discontinued Operations (Textual)
Loss on abandoned assets			$ 386,000
ECC [Member]
Discontinued Operations (Textual)
Goodwill			$ 109,000

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Amount of deprecation and amortization expense attributable to property, plant and equipment and intangible assets of discontinued operations.

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Amount of depreciation and amortization expense attributable to disposal group, including, but not limited to, discontinued operation.

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Amount of gain (loss) on sale or disposal of assets, including but not limited to property plant and equipment, intangible assets and equity in securities of subsidiaries or equity method investee.

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