Note 14 - Foreign Operations - Long-lived Assets by Country (Details) - USD ($)	Dec. 31, 2025	Jun. 30, 2025
Long-lived assets	$ 51,557,767	$ 53,131,771
UNITED STATES
Long-lived assets	44,850,132	45,982,722
LATVIA
Long-lived assets	4,514,089	4,848,441
CHINA
Long-lived assets	$ 2,193,546	$ 2,300,608

Long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 41
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482810/280-10-50-41

Name:	us-gaap_NoncurrentAssets
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant