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Note A - Basis of Presentation and Summary of Significant Accounting Policies (Details Textual) - USD ($) |  |  | 3 Months Ended | 6 Months Ended |
--- | --- | --- | --- | --- | ---
Dec. 04, 2015 | Oct. 02, 2015 | Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2014 | Jun. 30, 2015
Restricted Stock [Member] | 2009 Omnibus Stock Incentive Plan [Member] | President and CFO [Member] |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period |  | 75,000 |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period |  | 5 years |  |  |  |  |  |
Restricted Stock [Member] | 2009 Omnibus Stock Incentive Plan [Member] | Management [Member] |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period | 3,000 |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period | 3 years |  |  |  |  |  |  |
Restricted Stock [Member] |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period |  |  |  | 0 |  |  | 0 |
Employee Stock Option [Member] |  |  |  |  |  |  |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount |  |  | 100,000 | 150,000 | 100,000 | 155,000 |  |
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate |  |  |  |  | 0.00% |  |  |
Fair Value, Inputs, Level 1 [Member] |  |  |  |  |  |  |  |
Fair Value, Net Asset (Liability) |  |  | $ 0 |  | $ 0 |  |  | $ 0
Fair Value, Inputs, Level 3 [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 |  |  | 322,000 |  | 322,000 |  |  | $ 474,000
Sales [Member] |  |  |  |  |  |  |  |
Royalty and Licensing Revenue |  |  | 5,300,000 | $ 1,500,000 | 10,600,000 | $ 2,400,000 |  |
Cost of Sales [Member] |  |  |  |  |  |  |  |
Royalty Expense |  |  | 209,000 | 206,000 | 473,000 | 380,000 |  |
Allocated Share-based Compensation Expense |  |  | $ 150,000 | $ 84,000 | $ 280,000 | $ 167,000 |  |

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