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FEES PAID BY THE FUND AND RELATED PARTY TRANSACTIONS (Details) - USD ($)
 3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Dec. 31, 2022
Percentage of management fee in average daily total net assets     0.75%    
Registration fees and offering expenses $ 64,610 $ 64,610 $ 128,510 $ 128,510  
Estimated investor tax reporting cost         $ 350,000
Percentage of fees and other waivers expense     0.15%    
Expenses write off     $ 0 $ 202,151  
BNO [Member]          
Directors fees and expenses         83,000
BNO and Related Public Fund [Member]          
Directors fees and expenses         $ 1,258,000