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Income Taxes (Tables)
12 Months Ended
Dec. 31, 2020
Income Tax Disclosure [Abstract]  
Schedule of reconciliation of income taxes calculated at federal statutory rates to provision for income taxes

   Years Ended
December 31,
 
   2020   2019 
(Benefit) tax at statutory rate of 25%  $(716,694)  $(5,175,512)
Prior year refund received   -    - 
Other, primarily the difference in U.S. tax rates   8,190    8,103 
Change in valuation allowance   708,504    5,167,409 
Income tax expense  $-   $- 
Schedule of temporary differences to deferred income tax assets and liability

   December 31, 
   2020   2019 
Deferred income tax assets:          
Allowance for doubtful trade receivables  $4,537,623   $4,393,775 
Allowance for doubtful other receivables   6,822    5,682 
Inventory obsolescence reserve   568,182    1,528,482 
Expenses not deductible in current year   1,160,601    1,085,520 
Advances for intangible assets impairment   10,441,373    9,765,906 
Lease liability, net   596    807 
PRC net operating loss carry forward   9,542,576    12,682,671 
U.S. net operating loss carry forward   1,409,380    1,296,813 
Total deferred income tax assets   27,667,153    30,759,656 
Valuation allowance   (27,667,153)   (30,759,656)
Net deferred income tax asset  $-   $- 
           
Deferred income tax liability:          
Intangible assets  $805,556   $753,444