Note 16 - Segment Reporting - Reconciliation of Assets by Segment (Details) - USD ($)		3 Months Ended		12 Months Ended
		Sep. 30, 2021	Sep. 30, 2020	Jun. 30, 2021		Jun. 30, 2020
Identifiable assets		$ 32,157,359	$ 31,507,680	$ 31,507,680	[1]
Net (loss) income		(1,880,993)	2,219,434
Capital expenditures				3,560		$ 407,338
Property, plant, and equipment		3,335,172		3,420,886
Less accumulated depreciation		(1,863,570)		(1,847,441)
Total property, plant and equipment, net		1,471,602		1,573,445	[1]
Operating Segments [Member]
Revenue from Contract with Customer, Including Assessed Tax		9,730,747	10,745,057
Net (loss) income		(1,880,993)	2,219,434
U.S.A Investment Fund Management [Member]
Identifiable assets		18,669,464	17,467,044
Capital expenditures				0		0
Property, plant, and equipment		0		0
U.S.A Investment Fund Management [Member] | Operating Segments [Member]
Revenue from Contract with Customer, Including Assessed Tax		5,657,027	7,036,301
Net (loss) income		(367,906)	3,228,995
Corporate Segment [Member]
Identifiable assets		3,033,606	3,513,008
Capital expenditures				0		653
Property, plant, and equipment		17,744		17,744
Corporate Segment [Member] | Operating Segments [Member]
Net (loss) income		(1,749,219)	(1,334,215)
USA Beauty Products and Other [Member]
Identifiable assets		4,186,931	4,024,803
Capital expenditures				520		827
Property, plant, and equipment		59,481		58,961
USA Beauty Products and Other [Member] | Operating Segments [Member]
Revenue from Contract with Customer, Including Assessed Tax		1,021,071	972,744
Net (loss) income		4,522	65,272
New Zealand Food Industry Segment [Member]
Identifiable assets		3,628,352	3,831,539
Capital expenditures	[2]			3,040		413,162
Property, plant, and equipment		2,286,231		2,345,569
New Zealand Food Industry Segment [Member] | Operating Segments [Member]
Revenue from Contract with Customer, Including Assessed Tax		2,361,793	2,057,369
Net (loss) income		153,204	92,298
Canada Security Alarm [Member]
Identifiable assets		2,639,006	2,671,286
Capital expenditures						$ (7,304)
Property, plant, and equipment		971,716		$ 998,612
Canada Security Alarm [Member] | Operating Segments [Member]
Revenue from Contract with Customer, Including Assessed Tax		690,856	678,643
Net (loss) income		$ 78,406	$ 167,084

[1] Derived from audited financial statements

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