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Deferred Tax, Net (Tables)
 9 Months Ended 12 Months Ended
Sep. 30, 2021
Dec. 31, 2020
Deferred Tax Assets Liabilities Net Disclosure [Abstract]    
Schedule of deferred tax assets
   2021   2020 
Accrued expenses  $70,446   $70,019 
Write-off Erdos TCH net investment in sales-type leases *   6,352,124    6,155,300 
US NOL   415,851    254,035 
PRC NOL   2,623,801    10,849,690 
Total deferred tax assets   9,462,222    17,329,044 
Less: valuation allowance for deferred tax assets   (9,462,222)   (17,329,044)
Deferred tax assets, net  $
-
   $
-
 

  

*This represents the tax basis of Erdos TCH investment in sales type leases, which was written off under US GAAP upon modification of lease terms, which made the lease payments contingent upon generation of electricity.
   2020   2019 
Non-current deferred tax assets        
Accrued expenses  $70,019   $189,050 
Interest income in sales-type leases on cash basis   
-
    853,265 
Depreciation of fixed assets   
-
    2,938,605 
Assets impairment loss   
-
    7,537,556 
Write-off Erdos TCH net investment in sales-type leases   6,155,300    6,349,604 
US NOL   254,035    3,246,655 
PRC NOL   10,849,690    10,424,558 
           
Non-current deferred tax liabilities          
Net investment in sales-type leases   
-
    (6,685,021)
           
Net non-current deferred tax assets   17,329,044    24,854,272 
Less: valuation allowance for deferred tax assets   (17,329,044)   (24,854,272)
Non-current deferred tax assets, net  $
-
   $
-