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Income taxes - Reconciliation of Federal Statutory Income Tax Provision to Company's Actual Provision (Details) (USD $)
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12 Months Ended | ||
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Dec. 31, 2012
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Dec. 31, 2011
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Dec. 31, 2010
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| Income Tax Disclosure [Abstract] | |||
| Benefit at federal statutory tax rate | $ 680,000 | $ 648,000 | $ 185,000 |
| Unbenefited operating losses | (680,000) | (648,000) | (185,000) |
| Income tax provision | $ 0 | $ 0 | $ 0 |
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- Definition
Income Tax Reconciliation, Unbenefited Operating Losses No definition available.
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- Details
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- Definition
Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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