Note 12 - Equity Incentive Plan - Stock-based Compensation Expense (Details) - Selling, General and Administrative Expenses [Member] - USD ($) |
3 Months Ended | 6 Months Ended | ||
---|---|---|---|---|
Dec. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2020 |
Dec. 31, 2019 |
|
Total stock-based compensation expense | $ 508,000 | $ 162,000 | $ 963,000 | $ 327,000 |
Share-based Payment Arrangement, Option [Member] | ||||
Total stock-based compensation expense | 94,000 | 2,000 | 166,000 | 7,000 |
Restricted Stock [Member] | ||||
Total stock-based compensation expense | $ 414,000 | $ 160,000 | $ 797,000 | $ 320,000 |