Quarterly report pursuant to Section 13 or 15(d)

Cover
- Document and Entity Information Document and Entity Information
Financial Statements
Notes to Financial Statements
Accounting Policies
- Description of business and basis of presentation (Policies)
Notes Tables
Notes Details

Description of business and basis of presentation - Additional Information (Details)

v3.19.1

Description of business and basis of presentation - Additional Information (Details)		3 Months Ended
	May 18, 2017	Mar. 31, 2019 USD ($) segment	Dec. 31, 2018 USD ($)	Sep. 30, 2018 USD ($)
Business Acquisition [Line Items]
Ownerhsip interest in American DG New York, LLC (percent)		51.00%
Number of business segments \| segment		2
Right of use assets		$ 2,546,588	$ 0
American DG Energy, Inc.
Business Acquisition [Line Items]
Ownership interest (percent)	100.00%
Accounting Standards Update 2018-15
Business Acquisition [Line Items]
Capitalization of certain implementation costs				$ 85,372
Other Assets \| Adjustments for New Accounting Pronouncement
Business Acquisition [Line Items]
Right of use assets		2,550,000
Other Current Liabilities \| Adjustments for New Accounting Pronouncement
Business Acquisition [Line Items]
Operating lease liabilities, current		560,000
Other Noncurrent Liabilities \| Adjustments for New Accounting Pronouncement
Business Acquisition [Line Items]
Operating lease liabilities, noncurrent		$ 1,990,000

- Definition

Percentage Of Owned Joint Venture.

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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.

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- Definition

Present value of lessee's discounted obligation for lease payments from operating lease, classified as current.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 1
-Subparagraph (b)
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- Definition

Amount of lessee's right to use underlying asset under operating lease.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 1
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- Definition

Percentage of subsidiary's or equity method investee's stock owned by parent immediately after all stock transactions.

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