| Merger (Details) | Oct. 16, 2013  $ / shares | Jun. 30, 2015  $ / shares | Dec. 31, 2014  $ / shares | 
|---|---|---|---|
| Business Acquisition [Line Items] | |||
| Common stock, par value per share (in dollars per share) | $ 0.0001 | $ 0.0001 | $ 0.0001 | 
| The One Group | |||
| Business Acquisition [Line Items] | |||
| Merger exchange ratio | 8.09 | 
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- Definition Merger exchange ratio. No definition available. 
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available. 
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- Definition Face amount or stated value per share of common stock. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Details 
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