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Note D - Intangible Assets (Details) - USD ($)
$ in Thousands
Jun. 30, 2016
Jun. 30, 2015
Licensing Agreements [Member]    
Gross Carrying Amount $ 3,015 $ 3,015
Accumulated Amortization (2,565) (2,505)
Net Book Value 450 510
Noncompete Agreements [Member]    
Gross Carrying Amount 2,128 2,128
Accumulated Amortization (2,045) (2,045)
Accumulated Impairment (83) (83)
Trade Names [Member]    
Gross Carrying Amount 1,668 1,653
Accumulated Amortization (275) (194)
Net Book Value 1,393 1,459
Other Intangible Assets [Member]    
Gross Carrying Amount 6,615 6,476
Accumulated Amortization (5,301) (5,278)
Net Book Value 120 4
Accumulated Impairment (1,194) (1,194)
Gross Carrying Amount 13,426 13,272
Accumulated Amortization (10,186) (10,022)
Net Book Value 1,963 1,973
Accumulated Impairment $ (1,277) $ (1,277)