Note E - Leases (Details Textual)	Jul. 18, 2023 USD ($) a	Sep. 30, 2023 USD ($)	Jun. 30, 2023 USD ($)
Operating Lease, Right-of-Use Asset		$ 45,651,000	$ 20,369,000
Operating Lease, Weighted Average Remaining Lease Term (Year)		10 years 1 month 6 days	5 years 3 months 18 days
Operating Lease, Weighted Average Discount Rate, Percent		5.89%	4.12%
Extension on Manufacturing Facilities Lease [Member]
Operating Lease, Right-of-Use Asset	$ 25,900,000
Operating Lease, Liability	$ 25,900,000
California 1 [Member]
Lessee, Operating Lease, Lease Not yet Commenced, Term of Contract (Year)	10 years 4 months 24 days
Area of Real Estate Property (Acre) | a	162,000
Operating Lease, Base Rent Per Square Foot	$ 1.5
Tenant Improvements	2,300,000
California 1 [Member] | Reimbursements For Tenant Improvements [Member]
Tenant Improvements	$ 1,100,000