Income taxes Income taxes - Narrative (Details) - USD ($) |
1 Months Ended | 12 Months Ended | |
|---|---|---|---|
Jun. 30, 2015 |
Dec. 31, 2014 |
Dec. 31, 2015 |
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| Income Tax Disclosure [Abstract] | |||
| Increase (decrease) in valuation allowance | $ (7,700,000) | $ 2,542,278 | |
| Undistributed earnings of foreign subsidiaries | $ 1,281,071 | ||
| Federal [Member] | |||
| Operating Loss Carryforwards [Line Items] | |||
| Net operating loss carryforwards | 4,401,278 | ||
| State [Member] | |||
| Operating Loss Carryforwards [Line Items] | |||
| Net operating loss carryforwards | 4,049,558 | ||
| Foreign [Member] | |||
| Operating Loss Carryforwards [Line Items] | |||
| Net operating loss carryforwards | $ 190,060 |
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- References No definition available.
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- Definition Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. 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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- Definition Amount of undistributed earnings of foreign subsidiaries intended to be permanently reinvested outside the country of domicile. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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