XML 54 R42.htm IDEA: XBRL DOCUMENT v3.19.2
Income Taxes, Deferred Tax Assets and Deferred Tax Liabilities (Tables)
6 Months Ended
Jun. 30, 2019
Income Tax Disclosure [Abstract]  
Schedule of provision for income taxes expenses

    Three months ended
June 30,
    Six months ended
June 30,
 
    2018    2019    2018    2019 
PRC income tax:                    
Current  $-   $-   $-   $- 
Deferred   -    -    -    - 
   $-   $-   $-   $- 
Schedule of income tax reconciliation

   Three months ended
June 30,
   Six months ended
June 30,
 
   2018   2019   2018   2019 
Loss before income taxes  $(3,445,688)  $(2,334,174)  $(6,013,521)  $(5,141,507)
United States federal corporate income tax rate   21%   21%   21%   21%
Income tax credit computed at United States statutory corporate income tax rate   (723,594)   (490,176)   (1,262,839)   (1,079,716)
Reconciling items:                    
Rate differential for PRC earnings   (129,077)   (87,474)   (215,856)   (186,505)
Non-deductible expenses   30,964    27,068    97,050    92,870 
Share based payments   14,969    3,869    32,519    7,695 
Valuation allowance on deferred tax assets   806,738    546,713    1,349,126    1,165,656 
Income tax expenses  $-   $-   $-   $- 

Schedule of deferred tax assets and liabilities

   December 31,   June 30, 
   2018   2019 
Deferred tax assets        
Trade accounts receivable  $1,031,389   $1,029,625 
Inventories   1,715,161    1,856,103 
Property, plant and equipment   618,416    375,450 
Provision for product warranty   562,654    571,596 
Net operating loss carried forward   26,595,654    27,856,157 
Valuation allowance   (30,523,274)   (31,688,931)
Deferred tax assets, non-current  $-   $- 
           
Deferred tax liabilities, non-current  $-   $- 

Schedule of unrecognized tax benefits excluding interest and penalties ("Gross UTB") is as follows

   Gross UTB   Surcharge   Net UTB 
Balance as of January 1, 2019  $7,129,285   $          -   $7,129,285 
Decrease in unrecognized tax benefits taken in current period   13,141    -    13,141 
Balance as of June 30, 2019  $7,142,426   $-   $7,142,426