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v3.23.1

Note A - Basis of Presentation and Summary of Significant Accounting Policies (Details Textual) - USD ($) | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Mar. 31, 2023 | Mar. 31, 2022 | Mar. 31, 2023 | Mar. 31, 2022 | Jun. 30, 2022
Contract with Customer, Refund Liability, Total | $ 0 |  | $ 0 |  |
Sales, Royalty and Licensing Revenue | 2,300,000 | $ 4,800,000 | 5,200,000 | $ 13,500,000 |
Royalty Expense | $ 107,000 | $ 200,000 | $ 213,000 | $ 600,000 |
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares) | 0 | 0 | 0 | 0 |
Deferred Compensation Arrangement with Individual, Cash Award Granted, Amount | $ 0.6 | $ 0.3 | $ 0.6 | $ 0.3 |
Deferred Compensation Arrangement with Individual, Cash Award Forfeited, Amount | 0 | $ 0 | 0 | $ 191,000 |
Fair Value, Inputs, Level 1 [Member] |  |  |  |  |
Fair Value, Net Asset (Liability), Total | 0 |  | 0 |  | $ 0
Fair Value, Inputs, Level 3 [Member] |  |  |  |  |
Fair Value, Net Asset (Liability), Total | $ 0 |  | $ 0 |  | $ 0
Restricted Stock [Member] |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares) | 118,000 | 126,850 | 118,000 |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period (in shares) | 5,999 | 1,400 | 5,999 | 19,832 |
Share-Based Payment Arrangement, Expense | $ 300,000 | $ 300,000 | $ 700,000 | $ 700,000 |
Restricted Stock 1 [Member] |  |  |  |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) | 227,082 | 126,850 | 151,585 | 126,850 |

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