XML 52 R43.htm IDEA: XBRL DOCUMENT v3.21.1
Summary of Significant Accounting Policies (Details 2)
Mar. 31, 2021
Dec. 31, 2020
Company A [Member]    
Revenue, Major Customer [Line Items]    
Accounts receivable due from significant customers 48.00% 48.00%
Company B [Member]    
Revenue, Major Customer [Line Items]    
Accounts receivable due from significant customers 31.00% 27.00%
Company C [Member]    
Revenue, Major Customer [Line Items]    
Accounts receivable due from significant customers 10.00% [1]
[1] Amount is less than 10%.