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Income Taxes, Deferred Tax Assets and Deferred Tax Liabilities (Tables)
12 Months Ended
Dec. 31, 2018
Income Tax Disclosure [Abstract]  
Schedule of provision for income taxes expenses
   December 31,  December 31, 
   2017   2018 
PRC income tax  $       -   $    - 
Current   -    - 
Deferred  $-   $- 
Schedule of income tax reconciliation
   Year ended December 31,
2017
   Year ended December 31,
2018
 
Loss before income taxes  $(21,467,341)  $(1,957,482)
United States federal corporate income tax rate   35%   21%
Income tax credit computed at United States statutory
corporate income tax rate
   (7,513,570)   (411,071)
Reconciling items:          
Over provision of deferred taxation in prior year          
Rate differential for PRC earnings   2,019,848    (44,325)
Non-deductible expenses   107,248    131,888 
Share based payments   265,752    46,448 
Recognition of tax losses previously not recognized   (188,647)   (132,104)
Provisional re-measurement of deferred taxes – TCJ Act   14,572,726    - 
Valuation allowance on deferred tax assets   (9,263,357)   409,164 
Income tax expenses  $-   $- 
Schedule of deferred tax assets and liabilities
   December 31, 2017   December 31, 2018 
Deferred tax assets        
Trade accounts receivable  $1,098,183   $1,031,389 
Inventories   1,772,444    1,751,161 
Property, plant and equipment   781,227    618,416 
Provision for product warranty   569,958    562,654 
Net operating loss carried forward   25,892,299    26,595,654 
Valuation allowance   (30,114,111)   (30,559,274)
Deferred tax assets, non-current  $-   $- 
           
Deferred tax liabilities, non-current  $-   $-