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Note A - Basis of Presentation and Summary of Significant Accounting Policies (Details) (USD $) | 0 Months Ended | 1 Months Ended | 3 Months Ended |  | 0 Months Ended | 1 Months Ended | 0 Months Ended |  |  |  |  |  |  |  |  | 0 Months Ended | 3 Months Ended | 12 Months Ended
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Oct. 03, 2012 | Jan. 31, 2012 | Jun. 30, 2011 | Sep. 30, 2014 | Sep. 30, 2013 | Sep. 30, 2014 Equity Option [Member] | Sep. 30, 2013 Equity Option [Member] | Sep. 30, 2014 Employee Stock Option [Member] | Sep. 30, 2014 Restricted Stock [Member] Omnibus Stock Incentive Plan 2009 [Member] | Sep. 30, 2013 Restricted Stock [Member] Omnibus Stock Incentive Plan 2009 [Member] | Mar. 31, 2012 Prior To Amendment [Member] | Mar. 31, 2014 installment [Member] | Mar. 31, 2012 installment [Member] | Jul. 01, 2013 Amendment [Member] | Jun. 01, 2013 Amendment [Member] | Dec. 01, 2012 Amendment [Member] | Jul. 12, 2012 Amendment [Member] | Mar. 13, 2012 Amendment [Member] | Mar. 31, 2014 Amendment [Member] | Dec. 01, 2013 Amendment [Member] | Sep. 30, 2014 Fair Value, Inputs, Level 1 [Member] | Jun. 30, 2014 Fair Value, Inputs, Level 1 [Member] | Sep. 30, 2014 Fair Value, Inputs, Level 2 [Member] | Jun. 30, 2014 Fair Value, Inputs, Level 2 [Member] | Sep. 30, 2014 Fair Value, Inputs, Level 3 [Member] | Jun. 30, 2014 Fair Value, Inputs, Level 3 [Member] | Mar. 07, 2014 Omnibus Stock Incentive Plan 2009 [Member] | Sep. 30, 2013 Omnibus Stock Incentive Plan 2009 [Member] | Jun. 30, 2013 Omnibus Stock Incentive Plan 2009 [Member]
Note A - Basis of Presentation and Summary of Significant Accounting Policies (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basis of Accounting, Policy [Policy Text Block] |  |  |  | Basis of Presentation and Summary of Significant Accounting Policies The accompanying interim unaudited condensed consolidated financial statements have been prepared in accordance with the instructions to Form 10-Q and applicable rules and regulations. Certain information and footnote disclosures normally included in financial statements prepared in accordance with U.S. generally accepted accounting principles have been condensed or omitted pursuant to such rules and regulations. In management's opinion, all adjustments necessary for a fair presentation of the financial position, results of operations and cash flows have been included and are of a normal, recurring nature. The results of operations for the three months ended September 30, 2014 are not necessarily indicative of the operating results for the full fiscal year or any future periods. You should read the financial statements and these notes, which are an integral part of the financial statements, together with our audited financial statements included in our Annual Report on Form 10-K for the fiscal year ended June 30, 2014 (“2014 Annual Report”). The accounting policies used to prepare the financial statements included in this report are the same as those described in the notes to the consolidated financial statements in our 2014 Annual Report unless otherwise noted below. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in Shares) |  |  |  |  |  | 160,000 | 331,750 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from License Fees Received | $ 150,000 | $ 300,000 | $ 300,000 |  |  |  |  |  |  |  |  |  |  | $ 150,000 | $ 204,167 | $ 204,167 | $ 354,167 | $ 354,167 |  |  |  |  |  |  |  |  |  |  |
Additional License Fees Upon Achievement Of Certain Milestones |  |  |  |  |  |  |  |  |  |  | 4,300,000 |  |  |  |  |  |  |  | 2,800,000 |  |  |  |  |  |  |  |  |  |
Number Of Installment Payments |  |  |  |  |  |  |  |  |  |  |  | 4 | 6 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Additional License Fees Receivable Upon Achievement Of Certain Milestones |  |  |  |  |  |  |  |  |  |  | 708,334 |  |  |  |  |  |  |  |  | 150,000 |  |  |  |  |  |  |  |  |
Royalty And Licensing Revenue |  |  |  | 961,000 | 1,500,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Royalty Expense |  |  |  | 174,000 | 237,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
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, Equity Instruments Other than Options, Grants in Period (in Shares) |  |  |  |  |  |  |  |  | 0 | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 105,000 |  | 98,000
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3 years |  | 3 years
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period (in Shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 10,000 |
Allocated Share-based Compensation Expense |  |  |  | 83,000 | 48,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fair Value, Net Asset (Liability) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 | 0 |  |  | 0 | 0 |  |  |
Foreign Currency Contract, Asset, Fair Value Disclosure |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,400,000 |  |  |  |  |  |
Foreign Currency Contracts, Liability, Fair Value Disclosure |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 24,000 |  |  |  |  |

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