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11. Income taxes (Details 1) (USD $)
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Dec. 31, 2012
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Dec. 31, 2011
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| Income Taxes Details 1 | ||
| Net operating loss carry forwards | $ 15,900,000 | $ 13,700,000 |
| Valuation allowance | (15,900,000) | (13,700,000) |
| Total deferred taxes net of valuation allowance | 0 | 0 |
| Net operating loss carryforwards | $ 39,000,000 |
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- Definition
Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The sum of domestic, foreign and state and local operating loss carryforwards, before tax effects, available to reduce future taxable income under enacted tax laws. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Details
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