Sale of Tecnonet (Narrative) (Details) - Tecnonet [Member] - Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] $ in Millions	3 Months Ended	9 Months Ended
	Sep. 30, 2015 USD ($)	Sep. 30, 2015 payment	Dec. 01, 2015 EUR (€)	Nov. 30, 2015 EUR (€)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of payments | payment		2
Proceeds from Divestiture of Businesses | $	$ 1.5
Scenario, Forecast [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal group, consideration, cash				€ 15,600,000
Disposal group, consideration, assumed debt				4,100,000
Disposal group, termination fee			€ 350,000	€ 250,000