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Consolidated Statements of Operations and Comprehensive Loss (Parenthetical) (USD $) In Thousands, unless otherwise specified | 3 Months Ended
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Jun. 30, 2014 | Jun. 30, 2013
Gain on disposal | $ 0 | $ 3,275

X
- Definition Gain (loss) from sale or disposal of an organization or integrated set of activities (for example, but not limited to, a partnership or corporation) engaged in providing a product or service in a commercial, industrial, or professional environment. + References No definition available. + Details
Name: | us-gaap_GainLossOnSaleOfBusiness
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration