Commitments and contingencies - Agreement with Digital Energy Corp. (Details) |
Dec. 31, 2015
USD ($)
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| Revolving credit facility | |
| Guarantor Obligations [Line Items] | |
| Letter of credit outstanding | $ 294,802 |
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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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| X | ||||||||||
- Definition The total amount of the contingent obligation under letters of credit outstanding as of the reporting date. No definition available.
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- Details
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