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Income Taxes (Details 1) - USD ($)
Jun. 30, 2018
Dec. 31, 2017
Deferred tax assets (liabilities)    
Depreciation and amortization of property, plant and equipment $ 5,778,340 $ 5,123,762
Impairment of property, plant and equipment 440,080 440,080
Miscellaneous 702,113 712,517
Net operating loss carryover of PRC company 623,854 1,094,887
Net operating loss carryover for U.S. income tax purposes
Total deferred tax assets 7,544,387 7,371,246
Less: Valuation allowance
Total deferred tax assets, net $ 7,544,387 $ 6,572,559