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Related party transactions (Details) (USD $)
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3 Months Ended | 6 Months Ended | 0 Months Ended | 3 Months Ended | 0 Months Ended | 12 Months Ended | 0 Months Ended | 3 Months Ended | 0 Months Ended | 3 Months Ended | 0 Months Ended | 6 Months Ended | 72 Months Ended | 0 Months Ended | 0 Months Ended | 6 Months Ended | 0 Months Ended | 3 Months Ended | 0 Months Ended | 6 Months Ended | 3 Months Ended | 12 Months Ended | 3 Months Ended | 12 Months Ended | 6 Months Ended | 0 Months Ended | 0 Months Ended | 0 Months Ended | ||||||||||||||||||||||||||||||||
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Mar. 31, 2014
sqft
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Jun. 30, 2014
company
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Jun. 30, 2013
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Dec. 31, 2013
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Mar. 14, 2013
Prepayment from Related Party for Future Purchases [Member]
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Mar. 31, 2014
Prepayment from Related Party for Future Purchases [Member]
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Oct. 18, 2013
Convertible debentures
Common stock
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Dec. 31, 2012
Convertible debentures
Common stock
|
Sep. 30, 2012
Convertible debentures
Conversion of principal amount
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Sep. 30, 2012
Convertible debentures
Conversion of accrued interest
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Jan. 06, 2014
Demand notes
|
Mar. 31, 2014
Affiliated companies
Sublease under operating leased assets
Office space and warehouse facilities
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Mar. 31, 2013
Affiliated companies
Sublease under operating leased assets
Office space and warehouse facilities
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Oct. 20, 2009
Affiliated companies
American DG Energy
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Mar. 31, 2014
Affiliated companies
American DG Energy
|
Mar. 31, 2013
Affiliated companies
American DG Energy
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Dec. 31, 2013
Affiliated companies
American DG Energy
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May 11, 2009
Management
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May 11, 2009
Management
Convertible debentures
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Jun. 30, 2014
Management
Convertible debentures
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Sep. 24, 2007
Management
Convertible debentures
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Sep. 24, 2001
Management
Convertible debentures
|
Sep. 24, 2011
Management
Convertible debentures
Common stock
|
Sep. 27, 2007
Management
Convertible debentures
Common stock
|
May 11, 2009
Management
Demand notes
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Sep. 24, 2001
Member of board of directors
Convertible debentures
|
May 11, 2009
Member of board of directors
Convertible debentures
Conversion of principal amount
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Oct. 18, 2013
Member of board of directors
Convertible debentures
Conversion of accrued interest
|
Sep. 24, 2011
Member of board of directors
Convertible debentures
Conversion of accrued interest
|
May 11, 2009
Member of board of directors
Convertible debentures
Conversion of accrued interest
|
Oct. 18, 2013
Member of board of directors
Convertible debentures
Conversion of Accrued Interest Amount in 2012 [Member]
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Jun. 30, 2014
Member of board of directors
American DG Energy
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Jun. 30, 2014
Member of board of directors
Ilois
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May 11, 2009
Member of board of directors
Ilois
Convertible debentures
Common stock
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Mar. 31, 2014
Chief Executive Officer (John N. Hatsopoulos)
|
Mar. 26, 2014
Chief Executive Officer (John N. Hatsopoulos)
|
Mar. 25, 2013
Chief Executive Officer (John N. Hatsopoulos)
|
Sep. 24, 2001
Chief Executive Officer (John N. Hatsopoulos)
Convertible debentures
|
Oct. 03, 2013
Chief Executive Officer (John N. Hatsopoulos)
Demand notes
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Nov. 30, 2012
Chief Executive Officer (John N. Hatsopoulos)
Demand notes
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Sep. 07, 2011
Chief Executive Officer (John N. Hatsopoulos)
Demand notes
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Sep. 10, 2008
Chief Executive Officer (John N. Hatsopoulos)
Demand notes
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Jun. 30, 2014
Chief Executive Officer (John N. Hatsopoulos)
American DG Energy
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Dec. 31, 2013
Michaelson Capital Special Finance Fund LP. [Member]
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Dec. 31, 2010
Michaelson Capital Special Finance Fund LP. [Member]
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Dec. 31, 2013
Michaelson Capital Special Finance Fund LP. [Member]
Convertible debentures
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Dec. 31, 2013
Michaelson Capital Special Finance Fund LP. [Member]
Convertible debentures
Common stock
|
Dec. 31, 2013
Michaelson Capital Special Finance Fund LP. [Member]
Convertible debentures
Common stock
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Jun. 30, 2014
Investor
Ilois
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Sep. 30, 2009
Investor, Joseph J. Ritchie [Member]
Convertible debentures
Common stock
|
Sep. 30, 2009
Investor, Joseph J. Ritchie [Member]
Convertible debentures
Conversion of principal amount
|
Sep. 30, 2009
Investor, Joseph J. Ritchie [Member]
Convertible debentures
Conversion of accrued interest
|
Sep. 24, 2001
Nia Marie Hatsopoulos
Convertible debentures
|
Sep. 30, 2012
Nia Marie Hatsopoulos
Convertible debentures
Common stock
|
Sep. 24, 2001
Alexander J. Hatsopoulos
Convertible debentures
|
Sep. 30, 2012
Alexander J. Hatsopoulos
Convertible debentures
Common stock
|
Jan. 06, 2014
Revolving Credit Facility [Member]
|
Mar. 25, 2013
Revolving Credit Facility [Member]
|
Jan. 06, 2014
Revolving Credit Facility [Member]
Chief Executive Officer (John N. Hatsopoulos)
|
Mar. 25, 2013
Revolving Credit Facility [Member]
Chief Executive Officer (John N. Hatsopoulos)
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| Related Party Transaction [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Number of affiliated companies | 2 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Related party ownership percentage | 13.50% | 6.80% | 19.80% | 6.40% | 2.70% | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Related party transactions agreement term | 5 years | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Related party transactions agreement term, renewal period | 1 year | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Principal amount | $ 330,000 | $ 200,000 | $ 100,000 | $ 450,000 | $ 300,000 | $ 750,000 | $ 250,000 | $ 50,000 | $ 50,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||
| Related party debt, stated interest rate | 6.00% | 6.00% | 6.00% | 6.00% | 6.00% | 5.00% | 4.00% | |||||||||||||||||||||||||||||||||||||||||||||||||||||
| Debt Instrument, Term | 3 years | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Conversion price in usd per share | $ 1.20 | $ 1.2 | $ 2.00 | $ 1.20 | $ 4.50 | $ 3.20 | $ 0.50 | $ 5.40 | $ 1.20 | |||||||||||||||||||||||||||||||||||||||||||||||||||
| Debt Issuance Cost | 147,577 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Debt conversion, amount converted | 90,967 | 100,000 | 6,100 | 109,033 | 72,960 | 90,967 | 1,000 | 30,000 | 14,433 | |||||||||||||||||||||||||||||||||||||||||||||||||||
| Debt conversion, number of shares issued | 75,806 | 85,242 | 400,000 | 185.19 | 37,028 | 170,480 | 170,480 | |||||||||||||||||||||||||||||||||||||||||||||||||||||
| Officers' compensation | 1.00 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Working capital line of credit with related party | 3,500,000 | 1,500,000 | 1,500,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Debt Instrument, Basis Spread on Variable Rate | 1.50% | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Line of Credit Facility, Amount Outstanding | 1,200,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Percentage of time spent on company affairs | 50.00% | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Sublease rental | 104,938 | 107,276 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Headquarters consisting of office and storage space (in square feet) | 43,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Revenue from related parties | 637,059 | 384,415 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Due to related party | 0 | 119,667 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Due from related party | (148,830) | (119,667) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prepayments received from related party | 827,747 | 0 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Discount rate on related party prepaid purchases | 6.00% | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Extinguishment of debt, principal amount | 109,033 | 427,432 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Extinguishment of debt, accrued interest | 163,535 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Current portion of convertible debentures, related party | 4,367 | 6,913 | 3,000,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Common stock issuable upon conversion | 555,556 | 970 | 2,161 | 555,556 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Demand notes payable and line of credit, related party | 0 | 3,000,000 | 1,750,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Interest Paid | 263,553 | 3,836 | 175,311 | 25,347 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Related Party Transaction, Investment in Stock | $ 2,000,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Related Party Transaction, Shares Purchased by Related Party | 444,445 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Related Party Transaction, Shares Purchased by Related Party, Price Per Share | $ 4.50 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||