Restricted Cash (Details) (Second Extension Agreement, Karlsson Group, USD $) In Millions, unless otherwise specified	0 Months Ended	3 Months Ended
	Jun. 26, 2013	Jun. 30, 2013
Second Extension Agreement | Karlsson Group
Restricted cash
Percentage of additional proceeds required to place in escrow	0.50
Capital raised, a portion of which is required to be deposited into escrow	$ 20.0
Escrow deposit required	10.0
Remaining escrow related to our recently completed capital raises activities		$ 2.4