Note 7 - Other Assets (Details Textual)	12 Months Ended
	Jun. 30, 2022 USD ($)	Jun. 30, 2021 USD ($)		Jun. 30, 2022 NZD ($)	Jun. 30, 2022 GBP (£)	Jun. 30, 2021 NZD ($)
Other Assets, Current	$ 699,547	$ 399,524	[1]
Unrealized Gain (Loss) on Investments	28,474	582
Marketable Securities, Total	5,100,000	1,800,000
Other Assets, Noncurrent	540,160	540,160	[1]
Equity Securities without Readily Determinable Fair Value, Amount	$ 500,000	500,000
Equity Securities without Readily Determinable Fair Value, Ownership Percentage	10.00%			10.00%	10.00%
Equity Securities without Readily Determinable Fair Value, Impairment Loss, Annual Amount	$ 0	0
Deposit Assets, Total	40,160	40,160
Gourmet Foods [Member]
Restricted Cash and Cash Equivalents, Total	12,486	13,989		$ 20,000		$ 20,000
Marygold & Co. (UK) Limited [Member]
Restricted Cash and Cash Equivalents, Total	1,000,793				£ 823,768
USCF Gold Strategy Plus Income Fund [Member] | USCF and USCF Advisers [Member]
Investments, Total	1,300,000	0
Exchange Traded Funds [Member] | USCF Gold Strategy Plus Income Fund [Member] | USCF and USCF Advisers [Member]
Investments, Total	1,300,000	0
Unrealized Gain (Loss) on Investments	$ 33,000	$ 0

[1] Derived from audited financial statements