Note 7 - Other Assets (Details Textual)	3 Months Ended		6 Months Ended		12 Months Ended
	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Jun. 30, 2022 USD ($)		Dec. 31, 2022 NZD ($)	Dec. 31, 2022 GBP (£)	Jun. 30, 2022 NZD ($)
Other Assets, Current	$ 735,834		$ 735,834		$ 699,547	[1]
Unrealized Gain (Loss) on Investments			11,020	$ 29,251
Marketable Securities, Total	4,300,000		4,300,000		5,100,000
Other Assets, Noncurrent	552,660		552,660		540,160	[1]
Equity Securities without Readily Determinable Fair Value, Amount	$ 500,000		$ 500,000		$ 500,000
Equity Securities without Readily Determinable Fair Value, Ownership Percentage	10.00%		10.00%		10.00%		10.00%	10.00%	10.00%
Equity Securities without Readily Determinable Fair Value, Impairment Loss, Annual Amount	$ 0				$ 0
Deposit Assets, Total	52,660		$ 52,660		40,160
Gourmet Foods [Member]
Restricted Cash and Cash Equivalents, Total	12,700		12,700		12,486		$ 20,000		$ 20,000
Marygold & Co. (UK) Limited [Member]
Restricted Cash and Cash Equivalents, Total	393,941		393,941					£ 325,576
USCF Gold Strategy Plus Income Fund [Member] | USCF and USCF Advisers [Member]
Investments, Total	1,300,000		1,300,000		1,300,000
Exchange Traded Funds [Member] | USCF Gold Strategy Plus Income Fund [Member] | USCF and USCF Advisers [Member]
Investments, Total	1,300,000		1,300,000		$ 1.3
Unrealized Gain (Loss) on Investments	$ 108,000	$ 0	$ (10,000)	$ 0

[1] Derived from audited financial statements