XML 45 R31.htm IDEA: XBRL DOCUMENT v3.22.2.2
FAIR VALUE OF FINANCIAL INSTRUMENTS - Valuation of Securities Using Fair Value Hierarchy (Details) - USD ($)
Sep. 30, 2022
Dec. 31, 2021
United States Contracts    
Schedule of Trading Securities and Other Trading Assets    
Investments, Fair Value Disclosure $ (9,413,270) $ 19,648,030
Short-Term Investments    
Schedule of Trading Securities and Other Trading Assets    
Investments, Fair Value Disclosure 35,775,000 91,796,000
Fair Value, Inputs, Level 1 | United States Contracts    
Schedule of Trading Securities and Other Trading Assets    
Investments, Fair Value Disclosure (9,413,270) 19,648,030
Fair Value, Inputs, Level 1 | Short-Term Investments    
Schedule of Trading Securities and Other Trading Assets    
Investments, Fair Value Disclosure $ 35,775,000 $ 91,796,000