Note I - Stockholders' Equity - Treasury Stock Repurchases (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
Jun. 30, 2025	Jun. 30, 2024
Treasury Stock Acquired, Shares (in shares)	45,972	37,128
Treasury Stock Acquired, Total Cost	$ 178	$ 221
Stock Repurchase Plan [Member]
Treasury Stock Acquired, Shares (in shares)	0	0
Treasury Stock Acquired, Average Cost (in dollars per share)	$ 0	$ 0
Treasury Stock Acquired, Total Cost	$ 0	$ 0
Stock Repurchased from Employee for Restricted Stock Vesting [Member]
Treasury Stock Acquired, Shares (in shares)	45,972	37,128
Treasury Stock Acquired, Average Cost (in dollars per share)	$ 3.88	$ 5.96
Treasury Stock Acquired, Total Cost	$ 178	$ 221

Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-SubTopic 10
-Topic 505
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481112/505-10-50-2

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480008/505-10-S99-1

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 505
-SubTopic 30
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481549/505-30-45-1

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration