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Taxes (Tables)
12 Months Ended
Dec. 31, 2022
Income Tax Disclosure [Abstract]  
Schedule of provision for income taxes
   For the years ended December 31, 
   2022   2021   2020 
             
Current  $(563,650)  $135   $109 
Deferred   (435,741)   (174,076)   (80,641)
Total income tax benefit  $(999,391)  $(173,941)  $(80,532)

 

Schedule of effective tax rate
   For the years ended December 31, 
   2022   2021   2020 
             
PRC statutory rates   25.0    25.0%   25.0%
Preferential tax rates   (2.9)   (25.8)%   (25.0)%
R&D credits   1.5    3.0%   1.7%
Change in valuation allowance and others   (19.2)   (0.4)%   (1.3)%
Effective tax rate   4.4    1.8%   0.4%

 

Schedule of deferred tax assets
   As of December 31, 
   2022   2021 
         
Deferred tax assets:        
Provision for doubtful accounts  $1,260,557   $455,343 
Depreciation and amortization   162,980    145,928 
Net operating loss carryforward   1,388,155    738,187 
Valuation allowance   (1,831,039)   (738,187)
Total deferred tax assets  $980,653   $601,271 

 

Schedule of taxes payable
   As of December 31, 
   2022   2021 
         
Income taxes payable  $
-
   $594,026 
VAT and other tax payable   110,843    136,898 
Totals  $110,843   $730,924