Quarterly report pursuant to Section 13 or 15(d)

Concentrations (Details)

v3.21.1
Concentrations (Details)
3 Months Ended 12 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Dec. 31, 2020
Concentrations (Details) [Line Items]      
Concentration risk, percentage 100.00%   100.00%
Outstanding accounts payable [Member]      
Concentrations (Details) [Line Items]      
Concentration risk, percentage 10.00%   10.00%
10% or more of purchase [Member] | Outstanding accounts payable [Member]      
Concentrations (Details) [Line Items]      
Concentration risk, percentage 90.20%   93.60%
Number of supplier 1   1
Customer [Member]      
Concentrations (Details) [Line Items]      
Concentration risk, percentage 10.00% 10.00%  
Outstanding accounts receivable [Member]      
Concentrations (Details) [Line Items]      
Concentration risk, percentage 10.00%   10.00%
Outstanding accounts receivable [Member] | More Than 10% Revenues [Member]      
Concentrations (Details) [Line Items]      
Concentration risk, percentage 70.30%   78.30%
Number of customer 1   2
Supplies [Member]      
Concentrations (Details) [Line Items]      
Concentration risk, percentage 10.00% 10.00%