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v2.4.1.9

Common Stock (Details Textual) (USD $) | Mar. 31, 2015
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Class of Stock [Line Items] |
Registration Payment Arrangement, Maximum Potential Consideration | $ 500,000,000 us-gaap_RegistrationPaymentArrangementMaximumPotentialConsideration

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- Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Describes the maximum potential amount of consideration, undiscounted, that could be transferred under the registration payment arrangement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6449706&loc=d3e16207-108621 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant