Note 16 - Segment Reporting - Reconciliation of Assets by Segment (Details) - USD ($)		Sep. 30, 2022	Jun. 30, 2022
Identifiable assets		$ 34,937,483	$ 35,310,577	[1]
Identifiable assets		34,937,483	35,310,577	[1]
Property, plant, and equipment		3,009,117	3,252,524
Total property, plant and equipment, gross		3,009,117	3,252,524
Less accumulated depreciation		(1,755,746)	(1,860,630)
Net property, plant and equipment		1,253,371	1,391,894	[1]
U.S.A Investment Fund Management [Member]
Identifiable assets		18,311,180	18,006,771
Identifiable assets		18,311,180	18,006,771
Property, plant, and equipment		0	0
Total property, plant and equipment, gross		0	0
Corporate Headquarters Including Marygold [Member]
Identifiable assets		4,657,546	7,243,332
Identifiable assets		4,657,546	7,243,332
USA Beauty Products and Other [Member]
Identifiable assets		3,442,304	3,484,315
Identifiable assets		3,442,304	3,484,315
Property, plant, and equipment		61,806	60,678
Total property, plant and equipment, gross		61,806	60,678
New Zealand Food Industry Segment [Member]
Identifiable assets		3,639,868	3,983,381
Identifiable assets		3,639,868	3,983,381
Property, plant, and equipment	[2]	2,045,088	2,235,896
Total property, plant and equipment, gross	[2]	2,045,088	2,235,896
Canada Security Alarm [Member]
Identifiable assets		2,486,755	2,592,778
Identifiable assets		2,486,755	2,592,778
Property, plant, and equipment		862,285	916,054
Total property, plant and equipment, gross		862,285	916,054
U.K. Financial Services [Member]
Identifiable assets	[3]	2,399,830	0
Identifiable assets	[3]	2,399,830	0
Property, plant, and equipment		19,509	19,467
Total property, plant and equipment, gross		19,509	19,467
Corporate Segment [Member]
Property, plant, and equipment		20,429	20,429
Total property, plant and equipment, gross		$ 20,429	$ 20,429

[1] Derived from audited financial statements

[2] Includes the underlying assets of the solar energy system finance lease totaling $150,625 at Gourmet Foods.

[3] The assets of Marygold & Co. (UK) were included with corporate headquarters at June 30, 2022 and totaled US$2,490,712 translated as of June 30, 2022.