Inventories - Textual (Details) - USD ($) |
6 Months Ended | |
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Jun. 30, 2017 |
Jun. 30, 2016 |
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| Inventory [Line Items] | ||
| Write-down of inventory | $ 712,083 | $ 12,590 |
| 125kW and IBC-30 battery converters | ||
| Inventory [Line Items] | ||
| Write-down of inventory | $ 708,204 | |
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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 loss from reductions in inventory due to subsequent measurement adjustments, including, but not limited to, physical deterioration, obsolescence, or changes in price levels. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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