XML 68 R56.htm IDEA: XBRL DOCUMENT v3.21.1
Short-Term Loans (Details)
12 Months Ended
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Dec. 31, 2018
USD ($)
Dec. 20, 2018
USD ($)
Dec. 20, 2018
CNY (¥)
Short-Term Loans (Details) [Line Items]          
Short term loans $ 8,391,323 $ 7,624,061      
Interest expenses, loans 1,136,654 746,504 $ 138,010    
China Construction Bank [Member]          
Short-Term Loans (Details) [Line Items]          
Short-term bank loans annual interest rate       5.39% 5.39%
Short-term bank loans borrowed       $ 3,119,000 ¥ 21,450,000
Loans agreements [Member]          
Short-Term Loans (Details) [Line Items]          
Short term loans $ 107,829 $ 1,046,275      
Loans agreements [Member] | Minimum [Member]          
Short-Term Loans (Details) [Line Items]          
Short-term bank loans annual interest rate 4.15% 2.46%      
Loans agreements [Member] | Maximum [Member]          
Short-Term Loans (Details) [Line Items]          
Short-term bank loans annual interest rate 24.00% 25.00%