Derivative liability - Narrative (Details) - USD ($) |
12 Months Ended | |||
|---|---|---|---|---|
Feb. 27, 2016 |
Oct. 16, 2013 |
Dec. 31, 2016 |
Dec. 31, 2015 |
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| Fair Value Measurements [Line Items] | ||||
| Derivative income | $ 100,000 | $ 6,141,000 | ||
| The One Group | ||||
| Fair Value Measurements [Line Items] | ||||
| Additional payments to TOG Members (up to) | $ 14,100,000 | |||
| Shares required for additional payments to TOG Members (in shares) | 5,750,000 | |||
| Exercise price of warrants (in dollars per share) | $ 5.00 | |||
| Expired warrants, write-off | $ 100,000 | |||
| X | ||||||||||
- Definition Class of Warrant or Right, Write-off No definition available.
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| X | ||||||||||
- Definition Contingent payment amount per business acquisition terms. No definition available.
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- Definition Number of shares to be purchased through the exercise of outstanding company warrants that is required for additional payments to One Group Members. No definition available.
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- Definition Exercise price per share or per unit of warrants or rights outstanding. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Amount of increase (decrease) in the fair value of derivatives recognized in the income statement. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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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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- Details
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