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Nature of Operations (Schedule of Details of Impairment) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Impairment [Line Items]
Total	$ 1,179,000	$ 265,000	$ 440,000
Reorganization and impairment	138,000	60,000	(3,466,000)
Cost of Revenues	56,149,000	47,294,000	51,003,000
Inventory Write-off [Member]
Impairment [Line Items]
Cost of Revenues	1,041,000	$ 205,000	3,052,000
Impairment charge [Member]
Impairment [Line Items]
Reorganization and impairment	1,595,000		1,656,000
Revaluation of Liabilities [Member]
Impairment [Line Items]
Reorganization and impairment	$ (1,457,000)	$ (106,000)	(5,122,000)
Other Impairment [Member]
Impairment [Line Items]
Reorganization and impairment		$ 166,000	$ 854,000

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- Definition

Impairment [Line Items]

+ References

No definition available.

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- Definition

Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 45
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=51824106&loc=d3e2420-110228

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585

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The aggregate cost of goods produced and sold and services rendered during the reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
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Total amount of reorganization items.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 852
-SubTopic 10
-Section 55
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=34712771&loc=d3e56145-112766

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