Quarterly report pursuant to Section 13 or 15(d)

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

v3.10.0.1
Description of business and basis of presentation - Additional Information (Details)
6 Months Ended
May 18, 2017
Jun. 30, 2018
USD ($)
segment
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)