Commitments and Contingencies (Details 1) (USD $)	1 Months Ended
Jan. 31, 2013	May 31, 2012
Commitments and Contingencies Disclosure [Abstract]
Investment Warrants, Exercise Price	$ 7.31	$ 10.50
First Reimbursement Agreement Termination Fee	$ 3.8

Exercise price of the warrants.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Article 12

-Section 13

-Sentence Column A

Name:	invest_InvestmentWarrantsExercisePrice
Namespace Prefix:	invest_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration