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Consolidated Statements of Stockholders' Equity (USD $)
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Total
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Common Stock 0.001 Par Value
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Additional Paid-in Capital
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Accumulated Deficit
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Noncontrolling Interest
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|---|---|---|---|---|---|
| Balance, beginning balance at Dec. 31, 2012 | $ 4,783,035 | $ 54,448 | $ 16,319,985 | $ (11,759,723) | $ 168,325 |
| Increase (Decrease) in Stockholders' Equity [Roll Forward] | |||||
| Stock based compensation expense | 57,638 | 53,105 | 4,533 | ||
| Loss available to stockholders | (860,393) | (860,393) | |||
| Net loss attributable to Tecogen Inc. | (978,540) | (118,147) | |||
| Balance, ending balance at Mar. 31, 2013 | $ 3,862,133 | $ 54,448 | $ 16,373,090 | $ (12,620,116) | $ 54,711 |
| X | ||||||||||
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- Definition
This element represents the amount of recognized equity-based compensation during the period, that is, the amount recognized as expense in the income statement (or as asset if compensation is capitalized). Alternate captions include the words "stock-based compensation". Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. Alternate caption for the concept is permanent equity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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