Discontinued Operations (Results of Operations) (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Discontinued Operations Disclosures [Line Items]
Net loss from discontinued operations	$ (320,000)	$ (3,735,000)	$ (592,000)	$ (5,165,000)
Globetec [Member]
Discontinued Operations Disclosures [Line Items]
Revenue		4,800,000		18,000,000
Loss from operations, before tax		(500,000)		(2,700,000)
Impairment of assets, before tax		(5,700,000)		(6,000,000)
Income tax benefit		2,500,000		3,500,000
Net loss from discontinued operations		$ (3,700,000)		$ (5,200,000)