The percentage of aggregate dividends declared during the period for each share of common stock outstanding.

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PercentageOfEconomicInterest.

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- Definition

Percentage Of Owned Joint Venture.

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Percentage Of Owned Subsidiary.

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- Definition

Value of sale of subsidiary's common stock in private placement during the period.

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- Definition

Number of warrants issud during the period.

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- Definition

Long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 131

-Paragraph 38

-Subparagraph b(1)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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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

The cash inflow from the issuance of common stock, preferred stock, treasury stock, stock options, and other types of equity.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Financing Activities

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-Name Statement of Financial Accounting Standard (FAS)

-Number 95

-Paragraph 18

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-Topic 230

-SubTopic 10

-Section 45

-Paragraph 14

-Subparagraph (a)

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The number of shares issued or sold by the subsidiary or equity method investee per stock transaction.

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-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 5

-Section H

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Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction.

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-Name Staff Accounting Bulletin (SAB)

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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.

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-Topic 225

-SubTopic 10

-Section S99

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-Subparagraph (SX 210.5-03.1)

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-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 1

-Article 5

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Number of new stock issued during the period.

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-Publisher AICPA

-Name Accounting Principles Board Opinion (APB)

-Number 12

-Paragraph 10

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-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 29, 30

-Article 5

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Number of shares of stock issued during the period that is attributable to transactions involving issuance of stock not separately disclosed.

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Cumulative number of shares issued or sold by the subsidiary or equity method investee on all stock transactions.

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Cumulative amount of cash and other consideration received by subsidiary or equity method investee in exchange for shares or stock issued or sold. Include amounts of cash received, fair value of non-cash assets received, fair value of liabilities assumed, and fair value of any other forms of consideration.

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Summary of significant accounting policies (Details) (USD $)	0 Months Ended		12 Months Ended		1 Months Ended				12 Months Ended				12 Months Ended
	Jul. 02, 2013	Dec. 09, 2010	Dec. 31, 2013 segment	Dec. 31, 2012	Jul. 31, 2010 Nettlestone Enterprises Limited	Nov. 30, 2012 Eurosite Power Inc	Mar. 31, 2012 Eurosite Power Inc	Jul. 31, 2010 Eurosite Power Inc	Dec. 31, 2012 Eurosite Power Inc	Dec. 31, 2013 Eurosite Power Inc	Feb. 10, 2012 Eurosite Power Inc	Dec. 31, 2013 American DG New York, LLC	Dec. 31, 2013 UNITED STATES	Dec. 31, 2012 UNITED STATES	Dec. 31, 2013 UNITED KINGDOM	Dec. 31, 2012 UNITED KINGDOM
Subsidary or Equity Method Investee [Line Items]
Percentage Of Ownership In Joint Venture												51.00%
Percentage Of Ownership In Subsidiary										70.70%
Percentage Of Economic Interest			62.50%
Cash paid in exhange for shares of EuroSite Power					$ 5,000			$ 45,000
Shares of EuroSite Power received in the exchange (shares)					5,000,000			45,000,000
Proceeds received from sale of stock in private placement									1,250,000
Number of shares sold in private placement (shares)						2,385,000			1,250,000
Common stock, price per share (usd per share)						$ 1			$ 1
Stock Issued During Period, Shares, New Issues							851,100
Warrants Issued During Period		500,000				2,507,525
Stock dividend per share, declared (usd per share)							10.00%				10.00%
Proceeds from issuance or sale of equity						2,385,000
Stock Issued During Period, Shares, Other	4,881,000
Number of Operating Segments			1
Revenue, Net			7,461,880	5,645,194									6,623,001	5,564,084	838,879	81,110
Long-Lived Assets													$ 17,900,959	$ 15,726,700	$ 4,030,330	$ 1,526,948