XML 72 R54.htm IDEA: XBRL DOCUMENT v3.21.1
Debt Line of Credit (Details) - USD ($)
Mar. 17, 2021
Dec. 31, 2020
Dec. 31, 2019
Line of Credit Facility [Line Items]      
Line of Credit Facility, Maximum Borrowing Capacity   $ 500,000  
Line of Credit Facility, Interest Rate   6.50%  
Line of credit   $ 406,000 $ 491,000
Subsequent Event [Member]      
Line of Credit Facility [Line Items]      
Line of Credit Facility, Expiration Date Aug. 31, 2021    
Subsequent Event [Line Items]      
Line of Credit Facility, Expiration Date Aug. 31, 2021