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2. Accounting Policies and Basis of Presentation (Details) - USD ($)
Dec. 31, 2019
Dec. 31, 2018
Accounting Policies [Abstract]    
Collateralized bank repurchase agreement (1) [1] $ 941,792 $ 568,123
Money market fund 12,583,957 15,012,559
Total $ 13,525,749 $ 15,580,682
[1] The Company has a security interest in certain of the bank's holdings of direct obligations of the United States or one or more agencies thereof. The collateral is held in a hold-in-custody arrangement with a third party who maintains physical possession of the collateral on behalf of the bank.