Description of business and basis of presentation - Additional Information (Details) |
3 Months Ended | |
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May 18, 2017 |
Mar. 31, 2018
USD ($)
segment
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| Business Acquisition [Line Items] | ||
| Ownerhsip interest in American DG New York, LLC (percent) | 51.00% | |
| Number of business segments | segment | 2 | |
| American DG Energy, Inc. | ||
| Business Acquisition [Line Items] | ||
| Ownership interest (percent) | 100.00% | |
| AOCI Attributable to Parent | Adjustments for New Accounting Pronouncement | ||
| Business Acquisition [Line Items] | ||
| Cumulative Effect of New Accounting Principle in Period of Adoption | $ | $ (165,317) |
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- Definition Percentage Of Owned Joint Venture. 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 Amount after tax of increase (decrease) to equity or (increase) decrease to net assets, resulting from the cumulative effect adjustment of a new accounting principle applied in the period of adoption. No definition available.
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- Definition Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues. No definition available.
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- Definition Percentage of subsidiary's or equity method investee's stock owned by parent immediately after all stock transactions. No definition available.
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