Note 16 - Segment Reporting - Reconciliation of Revenue by Segment (Details) - USD ($)	3 Months Ended		6 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2019	Sep. 30, 2019	Dec. 31, 2018	Sep. 30, 2018
Net income	$ (74,914)	$ 63,161	$ (20,022)	$ 54,892	$ 348,667	$ 285,954
Capital expenditures	28,037	5,970	673,855		8,984
USA Beauty Products and Other [Member]
Capital expenditures	919	1,551	3,914		2,937
Corporate Segment [Member]
Capital expenditures
U.S.A Investment Fund Management [Member]
Capital expenditures
New Zealand Food Industry Segment [Member]
Capital expenditures	13,742	11,087	47,118		22,016
Canada Security Alarm [Member]
Capital expenditures	13,376	(6,668)	622,823		(15,969)
Operating Segments [Member]
Revenue from Contract with Customer, Including Assessed Tax	5,796,536	6,695,940	11,823,975		13,862,578
Net income	(74,914)	63,161	(20,022)		348,667
Operating Segments [Member] | USA Beauty Products and Other [Member]
Revenue from Contract with Customer, Including Assessed Tax	902,928	897,457	1,866,601		1,799,786
Net income	(57,765)	98,893	23,149		207,285
Operating Segments [Member] | Corporate Segment [Member]
Net income	(315,943)	(334,703)	(754,200)		(675,564)
Operating Segments [Member] | U.S.A Investment Fund Management [Member]
Revenue from Contract with Customer, Including Assessed Tax	2,839,718	3,939,004	5,880,287		8,161,988
Net income	77,830	220,648	286,368		579,940
Operating Segments [Member] | New Zealand Food Industry Segment [Member]
Revenue from Contract with Customer, Including Assessed Tax	1,320,357	1,145,410	2,570,334		2,339,704
Net income	156,235	24,868	257,487		41,453
Operating Segments [Member] | Canada Security Alarm [Member]
Revenue from Contract with Customer, Including Assessed Tax	733,533	714,069	1,506,753		1,561,100
Net income	$ 64,729	$ 53,455	$ 167,174		$ 195,553