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Business Segment, Geographic and Customer Information (Reconciliation of Revenue from Segments to Consolidated) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Segment Reporting Information [Line Items]
Revenues	$ 106,522	$ 92,191
Operating Income (Loss)	(5,300)	1,750
Operating Segments [Member]
Segment Reporting Information [Line Items]
Revenues	106,522	92,191
Depreciation and Amortization	3,164	1,601
Operating Income (Loss)	(5,300)	1,750
Operating Segments [Member] | T & D Solutions Segment [Member]
Segment Reporting Information [Line Items]
Revenues	84,189	85,892
Depreciation and Amortization	1,565	1,472
Operating Income (Loss)	388	4,428
Operating Segments [Member] | Critical Power Solutions Segment [Member]
Segment Reporting Information [Line Items]
Revenues	22,333	6,299
Depreciation and Amortization	1,526	80
Operating Income (Loss)	(2,207)	(311)
Operating Segments [Member] | Corporate Segment [Member]
Segment Reporting Information [Line Items]
Depreciation and Amortization	73	49
Operating Income (Loss)	$ (3,481)	$ (2,367)

X

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The current period expense charged against earnings on long-lived, physical assets not used in production, and which are not intended for resale, to allocate or recognize the cost of such assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset; or to reflect consumption during the period of an asset that is not used in production.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

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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+ References

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Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1)
-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

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No definition available.

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