Annual report pursuant to Section 13 and 15(d)

CONCENTRATION - Customer Concentrations (Details)

v3.21.1
CONCENTRATION - Customer Concentrations (Details) - USD ($)
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
CONCENTRATIONS    
Accounts receivable, net $ 1,373,754 $ 38,704
Customer H    
CONCENTRATIONS    
Accounts receivable, net $ 1,224,000  
Revenue    
CONCENTRATIONS    
Concentration risk (as a percent) 96.07% 84.56%
Revenue | Customer A    
CONCENTRATIONS    
Concentration risk (as a percent)   74.50%
Revenue | Customer F    
CONCENTRATIONS    
Concentration risk (as a percent) 18.24%  
Revenue | Customer G    
CONCENTRATIONS    
Concentration risk (as a percent) 26.43%  
Revenue | Customer H    
CONCENTRATIONS    
Concentration risk (as a percent) 51.40%  
Revenue | Customer I    
CONCENTRATIONS    
Concentration risk (as a percent)   10.06%
Accounts Receivable | Customer Concentrations    
CONCENTRATIONS    
Concentration risk (as a percent) 89.02% 25.96%
Accounts Receivable | Customer Concentrations | Customer D    
CONCENTRATIONS    
Concentration risk (as a percent)   13.73%
Accounts Receivable | Customer Concentrations | Customer E    
CONCENTRATIONS    
Concentration risk (as a percent)   12.23%
Accounts Receivable | Customer Concentrations | Customer H    
CONCENTRATIONS    
Concentration risk (as a percent) 89.02%