Note 7 - Other Assets (Details Textual)	3 Months Ended		12 Months Ended
	Sep. 30, 2022 USD ($)	Sep. 30, 2021 USD ($)	Jun. 30, 2022 USD ($)		Sep. 30, 2022 NZD ($)	Jun. 30, 2022 NZD ($)
Other Assets, Current	$ 722,544	$ 699,547	$ 699,547	[1]
Unrealized Gain (Loss) on Investments	(111,855)	(1,059)
Marketable Securities, Total	5,200,000		5,100,000
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%	10.00%
Equity Securities without Readily Determinable Fair Value, Impairment Loss, Annual Amount	$ 0		$ 0
Deposit Assets, Total			40,160
Gourmet Foods [Member]
Restricted Cash and Cash Equivalents, Total	11,390		12,486		$ 20,000	$ 20,000
USCF Gold Strategy Plus Income Fund [Member] | USCF and USCF Advisers [Member]
Investments, Total	1,200,000		1,300,000
Exchange Traded Funds [Member] | USCF Gold Strategy Plus Income Fund [Member] | USCF and USCF Advisers [Member]
Investments, Total	1,200,000		$ 1,300,000
Unrealized Gain (Loss) on Investments	$ (112,000)	$ 0

[1] Derived from audited financial statements