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Note 11 - Stock-based Compensation | 3 Months Ended
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Sep. 30, 2022
Notes to Financial Statements |
Share-Based Payment Arrangement [Text Block] | (11) Stock-Based Compensation Stock Option Activity Summary The Company’s stock option activity for the three months ended September 30, 2022 is as follows:
|  | Shares |  |  | Weighted Average |
|  | (In thousands) |  |  | Exercise Price |
Outstanding at June 30, 2022 |  | $ | 1,029 |  |  | $ | 1.35 |
Granted |  |  | 155 |  |  |  | 0.44 |
Exercised |  |  | — |  |  |  | — |
Canceled or expired |  |  | (72 | ) |  |  | 5.81 |
Outstanding at September 30, 2022 |  | $ | 1,112 |  |  | $ | 0.93 |
The aggregate intrinsic value of options exercisable at September 30, 2022 was $0, as the fair value of the Company’s common stock is less than the exercise prices of these options. The remaining stock-based compensation expense of $495 thousand related to stock options will be recognized over a weighted-average period of 2.58 years. The table below details the Company’s stock options outstanding as of September 30, 2022:
|  |  |  |  |  | Options |  |  |  |  |  |  |  |  |  |  |  |  |
|  |  |  |  |  | Outstanding |  |  |  |  |  |  |  |  |  |  | Options |
|  |  |  |  |  | Weighted- |  |  |  |  |  |  |  |  |  |  | Exercisable |
|  |  |  |  |  | Average |  |  | Weighted- |  |  |  |  |  |  | Weighted- |
|  | Number |  |  | Remaining |  |  | Average |  |  | Number |  |  | Average |
|  | Outstanding (In |  |  | Contractual |  |  | Exercise |  |  | Exercisable (In |  |  | Exercise |
Range of exercise prices |  | thousands) |  |  | Life (Years) |  |  | Price |  |  | thousands) |  |  | Price |
$0.44 - 0.64 |  |  | 1,031 |  |  |  | 9.60 |  |  | $ | 0.61 |  |  |  | — |  |  | $ | — |
$1.85 - 2.83 |  |  | 13 |  |  |  | 5.99 |  |  |  | 2.15 |  |  |  | 10 |  |  |  | 2.08 |
$5.30 - 5.85 |  |  | 68 |  |  |  | 4.61 |  |  |  | 5.63 |  |  |  | 68 |  |  |  | 5.63 |
$0.44- 5.85 |  |  | 1,112 |  |  |  | 9.25 |  |  | $ | 0.93 |  |  |  | 77 |  |  | $ | 5.18 |
Compensation costs recognized related to stock option awards were $46 thousand and $0 for each of the three months ended September 30, 2022, and 2021. Restricted Stock The Company’s restricted stock activity for the three months ended September 30, 2022, is as follows:
|  |  |  |  |  | Weighted |
|  |  |  |  |  | Average |
|  | Shares |  |  | Grant-Date |
|  | (In thousands) |  |  | Fair Value |
Outstanding at June 30, 2022 |  | $ | 2,276 |  |  | $ | 1.30 |
Granted |  |  | — |  |  |  | — |
Vested |  |  | — |  |  |  | — |
Canceled or expired |  |  | (2 | ) |  |  | 2.02 |
Outstanding at September 30, 2022 |  | $ | 2,274 |  |  | $ | 1.30 |
Stock compensation expenses related to restricted stock were $341 thousand and $359 thousand for the three months ended September 30, 2022, and 2021, respectively. The remaining stock-based compensation expense of $2.3 million related to restricted stock awards granted will be recognized over a weighted-average period of 2.31 years.

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