Note A - Basis of Presentation and Summary of Significant Accounting Policies (Details Textual) - USD ($) xbrli-pure in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Jun. 30, 2016
Royalty and Licensing Revenue	$ 6,700,000	$ 5,300,000	$ 13,400,000	$ 10,600,000
Royalty Expense	250,000	209,000	566,000	473,000
Allocated Share-based Compensation Expense	256,000	$ 150,000	506,000	$ 280,000
Fair Value, Inputs, Level 1 [Member]
Fair Value, Net Asset (Liability)	0		0		$ 0
Fair Value, Inputs, Level 2 [Member] | Foreign Exchange Forward [Member]
Foreign Currency Contract, Asset, Fair Value Disclosure	2,000,000		2,000,000		250,000
Fair Value, Inputs, Level 3 [Member]
Fair Value, Net Asset (Liability)	$ 0		$ 0		$ 0
2009 Omnibus Stock Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate			0.00%
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross	0	0	0	0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period	0	0	0	0
Employee Stock Option [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	0	100,000	0	100,000