Revenue - Disaggregation of Revenue (Details) - USD ($) |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2018 |
Sep. 30, 2017 |
Sep. 30, 2018 |
Sep. 30, 2017 |
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| Disaggregation of Revenue [Line Items] | ||||
| Products | $ 2,765,094 | $ 2,425,616 | $ 8,922,257 | $ 8,349,159 |
| Installation services | 1,648,119 | 6,350,379 | ||
| Maintenance services | 2,065,651 | 6,544,060 | ||
| Energy production | 1,459,820 | 1,556,115 | 4,750,580 | 2,330,307 |
| Total revenues | 7,938,684 | $ 8,501,198 | 26,567,276 | $ 22,938,503 |
| Products and Services | ||||
| Disaggregation of Revenue [Line Items] | ||||
| Products | 2,765,094 | 8,922,257 | ||
| Installation services | 1,648,119 | 6,350,379 | ||
| Maintenance services | 2,065,651 | 6,544,060 | ||
| Energy production | 0 | 0 | ||
| Total revenues | 6,478,864 | 21,816,696 | ||
| Energy Production | ||||
| Disaggregation of Revenue [Line Items] | ||||
| Products | 0 | 0 | ||
| Installation services | 0 | 0 | ||
| Maintenance services | 0 | 0 | ||
| Energy production | 1,459,820 | 4,750,580 | ||
| Total revenues | $ 1,459,820 | $ 4,750,580 | ||
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- Definition Installation Services Revenue 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 Revenue derived from maintenance services provided under contracts or arrangements with clients. For example, it may include the maintenance of software, plant and equipment, and facilities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Revenue derived from energy-related services such as supplying various forms of energy from the operation of on-site facilities or cogeneration plants and procurement services provided to energy purchasers. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Aggregate revenue during the period from the sale of goods in the normal course of business, after deducting returns, allowances and discounts. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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