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FEES PAID BY THE FUND AND RELATED PARTY TRANSACTIONS (Details) - USD ($)	3 Months Ended		12 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2021
Percentage of management fee in average daily total net assets	0.75%
Registration fees and offering expenses	$ 63,900	$ 0
Estimated investor tax reporting cost	375,000
Expenses write off	$ 139,105
Forecast [Member]
Percentage of fees and other waivers expense			0.15%
BNO [Member] \| Forecast [Member]
Estimated directors fees and expenses			$ 91,000
BNO and Related Public Fund [Member] \| Forecast [Member]
Estimated directors fees and expenses			$ 1,223,400