Note E - Leases (Details Textual) - USD ($)	Sep. 30, 2019	Jul. 01, 2019	Jun. 30, 2019
Operating Lease, Right-of-Use Asset	$ 20,145,000	$ 20,774,000
Accounting Standards Update 2016-02 [Member]
Operating Lease, Right-of-Use Asset		20,774,000
Operating Lease, Liability, Total		$ 20,900,000