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Property and equipment -Depreciation (Details) (USD $)
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12 Months Ended | |
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Dec. 31, 2014
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Dec. 31, 2013
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| Property, Plant and Equipment [Abstract] | ||
| Depreciation and amortization | $ 194,879tcgn_DepreciationDepletionandAmortizationPropertyPlantandEquipment | $ 199,816tcgn_DepreciationDepletionandAmortizationPropertyPlantandEquipment |
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- Definition
Depreciation, Depletion and Amortization, Property, Plant and Equipment No definition available.
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- Details
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