Litigation (Narrative) (Details) (USD $)	0 Months Ended	3 Months Ended	1 Months Ended	3 Months Ended	1 Months Ended
	Apr. 08, 2013	Mar. 31, 2014	Nov. 30, 2010	Aug. 31, 2008 claims	May 31, 2014 subcontractor	Feb. 18, 2014
Loss Contingencies [Line Items]
Stipulation of settlement, insurance carriers payment	$ 2,500,000.0
Stipulation of settlement, payment to plaintiff	500,000
Stipulation of settlement, payment to plaintiff, warrants	250,000					250,000
Stipulation of settlement, payment to plaintiff, warrants, term	5 years	5 years
Purported Stockholder Derivative and Securities Class Action Lawsuits [Member]
Loss Contingencies [Line Items]
Litigation settlement, amount			(10,000,000.0)
U. S. District Court in the Central District of California [Member] | Purported Stockholder Derivative and Securities Class Action Lawsuits [Member]
Loss Contingencies [Line Items]
Purported stockholder derivative and securities class action lawsuits				5
Superior Court of the State of California [Member] | Purported Stockholder Derivative and Securities Class Action Lawsuits [Member]
Loss Contingencies [Line Items]
Purported stockholder derivative and securities class action lawsuits				1
Pending Litigation [Member] | Italian Civil Court [Member] | Purported Breach of Supply Agreements Claim [Member]
Loss Contingencies [Line Items]
Loss contingency, number of third-party subcontractors					2
Loss contingency, value of damages sought, plus costs					$ 3,000,000