Post-effective amendment to a registration statement that is not immediately effective upon filing

Line of Credit (Details)

v3.21.2
Line of Credit (Details) - USD ($)
1 Months Ended 6 Months Ended 12 Months Ended
Oct. 31, 2019
Jul. 13, 2018
Jan. 31, 2021
Jun. 30, 2021
Dec. 31, 2020
Dec. 31, 2019
Line of Credit Facility [Line Items]            
Floating interest rate percentage       0.75%    
Line of credit facility paid     $ 3,012,000      
Revolving Line of Credit Agreement [Member]            
Line of Credit Facility [Line Items]            
Line of credit   $ 2,000,000   $ 5,000,000 $ 3,012,000 $ 2,317,000
Line of credit, maturity date   Jul. 13, 2020   Jul. 13, 2021    
Revolving Line of Credit Amendment [Member]            
Line of Credit Facility [Line Items]            
Line of credit $ 5,000,000          
Line of credit, maturity date Jul. 13, 2021          
LIBOR [Member]            
Line of Credit Facility [Line Items]            
Description of annual interest rate       LIBOR Daily Floating LIBOR Daily Floating  
Floating interest rate percentage         0.75%