Litigation (Narrative) (Details)		1 Months Ended		3 Months Ended
	Apr. 08, 2013 USD ($) shares	May. 31, 2014 USD ($) subcontractor	Nov. 30, 2010 USD ($)	Jun. 30, 2014	Aug. 31, 2008 claims	Feb. 18, 2014 shares
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 | shares	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 | claims					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 | claims					1
Italian Civil Court [Member] | Purported Breach of Supply Agreements Claim [Member] | Pending Litigation [Member]
Loss Contingencies [Line Items]
Loss contingency, number of third-party subcontractors | subcontractor		2
Loss contingency, value of damages sought, plus costs		$ 3,000,000