Note 16 - Segment Reporting - Reconciliation of Revenue by Segment (Details) - USD ($)		3 Months Ended
		Sep. 30, 2022	Sep. 30, 2021
Net loss		$ 497,168	$ (1,880,993)
Capital expenditures		9,418	3,560
Capital expenditures		9,418	3,560
Corporate Headquarters Including Marygold [Member]
Capital expenditures		0	0
Capital expenditures		0	0
USA Beauty Products and Other [Member]
Capital expenditures		1,128	520
Capital expenditures		1,128	520
New Zealand Food Industry Segment [Member]
Capital expenditures	[1]	5,854	3,040
Capital expenditures	[1]	5,854	3,040
Canada Security Alarm [Member]
Capital expenditures		698	0
Capital expenditures		698	0
U.K. Financial Services [Member]
Capital expenditures		1,738	0
Capital expenditures		1,738	0
Corporate Segment [Member]
Capital expenditures		0	0
Capital expenditures		0	0
Operating Segments [Member]
Revenue from Contract with Customer, Including Assessed Tax		8,923,288	9,730,747
Net loss		497,168	(1,880,993)
Operating Segments [Member] | U.S.A Investment Fund Management [Member]
Revenue from Contract with Customer, Including Assessed Tax		5,419,435	5,657,027
Net loss		1,785,259	(367,906)
Operating Segments [Member] | USA Beauty Products and Other [Member]
Revenue from Contract with Customer, Including Assessed Tax		804,078	1,021,071
Net loss		(19,757)	4,522
Operating Segments [Member] | New Zealand Food Industry Segment [Member]
Revenue from Contract with Customer, Including Assessed Tax		1,937,426	2,361,793
Net loss		200,554	153,204
Operating Segments [Member] | Canada Security Alarm [Member]
Revenue from Contract with Customer, Including Assessed Tax		628,892	690,856
Net loss		107,124	78,406
Operating Segments [Member] | U.K. Financial Services [Member]
Revenue from Contract with Customer, Including Assessed Tax		133,457	0
Net loss		10,155	0
Operating Segments [Member] | Corporate Segment [Member]
Net loss		$ (1,586,167)	$ (1,749,219)

[1] Includes $401,681 related to the acquisition of Printstock in July 2020. See Note 15, Business Combinations