Note C - Property and Equipment - Summary of Property and Equipment (Details) - USD ($) $ in Thousands	6 Months Ended
Dec. 31, 2021	Jun. 30, 2021
Property and equipment, gross	$ 86,180	$ 66,618
Less: accumulated depreciation and amortization	(46,439)	(44,347)
Property and equipment, net	39,741	22,271
Land [Member]
Property and equipment, gross	7,645	1,200
Building and Building Improvements [Member]
Property and equipment, gross	$ 15,023	3,757
Building and Building Improvements [Member] \| Minimum [Member]
Depreciable Life In Years (Year)	7 years
Building and Building Improvements [Member] \| Maximum [Member]
Depreciable Life In Years (Year)	39 years
Machinery and Equipment [Member]
Property and equipment, gross	$ 36,424	35,458
Machinery and Equipment [Member] \| Minimum [Member]
Depreciable Life In Years (Year)	3 years
Machinery and Equipment [Member] \| Maximum [Member]
Depreciable Life In Years (Year)	12 years
Office Equipment [Member]
Property and equipment, gross	$ 5,906	5,712
Office Equipment [Member] \| Minimum [Member]
Depreciable Life In Years (Year)	3 years
Office Equipment [Member] \| Maximum [Member]
Depreciable Life In Years (Year)	5 years
Vehicles [Member]
Property and equipment, gross	$ 211	255
Depreciable Life In Years (Year)	3 years
Leasehold Improvements [Member]
Property and equipment, gross	$ 20,971	$ 20,236
Leasehold Improvements [Member] \| Minimum [Member]
Depreciable Life In Years (Year)	1 year
Leasehold Improvements [Member] \| Maximum [Member]
Depreciable Life In Years (Year)	15 years

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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