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Discontinued Operations (Details Textual) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Discontinued Operations (Textual)
Non-cash operating amounts for discontinued operations depreciation	$ 41,000	$ 41,000	$ 124,000	$ 131,000
Capital expenditures			0	29,000
Amortization		$ 49,000		$ 159,000
Liability for loss on assets held for sale			930,000
Impact of immaterial sales	$ 310,000		$ 1,554,000

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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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