XML 51 R40.htm IDEA: XBRL DOCUMENT v3.21.1
Investments (Details Narrative) - USD ($)
Mar. 31, 2021
Dec. 31, 2020
Investments:    
Security pledged as collateral, fair value $ 821,000  
Security pledged as collateral, cost 788,858  
Brokered certificates of deposit $ 598,000 $ 598,000