Note B - Inventories (Details Textual) - USD ($)	Dec. 31, 2023	Jun. 30, 2023
Inventory, Noncurrent, Total	$ 286,611	$ 330,513

Inventories not expected to be converted to cash, sold or exchanged within the normal operating cycle.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(17))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1

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