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Marketable Investment Securities (Details Narrative) - USD ($)
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Investments, Debt and Equity Securities [Abstract]    
Proceeds from Sale of Held-to-maturity Securities $ 0 $ 0
Debt and Equity Securities, Realized Gain (Loss) 0 0
Matured marketable investment securities 4,700,000 10,200,000
Other than temporary impairments $ 0 $ 0