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Discontinued Operations (Schedule of Operation and Assets and Liabilities Related to Discontinued Operations) (Details) - USD ($)	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Impairment loss		$ (2,704,356)
BDI [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenue	137,000	13,000
Cost of revenue	41,000	2,000
Gross margin	96,000	11,000
Operating expenses		654,000
Operating income (loss)	96,000	(643,000)
Impairment loss		(2,704,000)
Income (loss) from discontinued operations	$ 96,000	$ (3,347,000)

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Impairment gain (loss) from discontinued operations.

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Amount before tax of gain (loss) not previously recognized resulting from the disposal of a discontinued operation.

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