Note 6 - Stock-based Compensation (Tables)
|
9 Months Ended |
12 Months Ended |
Jun. 30, 2023 |
Sep. 30, 2022 |
| Notes Tables |
|
|
| Share-Based Payment Arrangement, Option, Activity [Table Text Block] |
| |
|
Option
Shares
Outstanding
|
|
|
Weighted
Average
Exercise
Price
|
|
|
Weighted
Average
Remaining
Contractual
Term
(years)
|
|
|
Aggregate
Intrinsic
Value
|
|
|
Outstanding at September 30, 2022
|
|
|
12,329 |
|
|
$ |
416.00 |
|
|
|
1.36 |
|
|
$ |
16,900 |
|
|
Awarded
|
|
|
3,063 |
|
|
$ |
64.00 |
|
|
|
|
|
|
|
|
|
|
Forfeited/Cancelled
|
|
|
(2,388 |
)
|
|
$ |
560.00 |
|
|
|
|
|
|
|
|
|
|
Outstanding at June 30, 2023
|
|
|
13,004 |
|
|
$ |
312.00 |
|
|
|
5.72 |
|
|
|
- |
|
|
Vested at June 30, 2023
|
|
|
9,927 |
|
|
$ |
384.00 |
|
|
|
4.85 |
|
|
|
- |
|
|
Vested and expected to vest at June 30, 2023
|
|
|
13,041 |
|
|
$ |
312.00 |
|
|
|
5.72 |
|
|
|
- |
|
|
| |
|
Option
|
|
|
Weighted Average
|
|
|
Average Remaining
|
|
|
Weighted Aggregate
|
|
| |
|
Shares
|
|
|
Exercise
|
|
|
Contractual
|
|
|
Intrinsic
|
|
| |
|
Outstanding
|
|
|
Price
|
|
|
Term (years)
|
|
|
Value
|
|
|
Outstanding at September 30, 2021
|
|
|
15,562 |
|
|
$ |
464.00 |
|
|
|
1.83 |
|
|
$ |
140,151 |
|
|
Awarded
|
|
|
829 |
|
|
$ |
48.00 |
|
|
|
|
|
|
|
|
|
|
Forfeited/Cancelled
|
|
|
(4,062 |
)
|
|
$ |
560.00 |
|
|
|
|
|
|
|
|
|
|
Outstanding at September 30, 2022
|
|
|
12,329 |
|
|
$ |
416.00 |
|
|
|
1.46 |
|
|
$ |
16,900 |
|
|
Vested at September 30, 2022
|
|
|
10,316 |
|
|
$ |
464.00 |
|
|
|
1.52 |
|
|
$ |
- |
|
|
Vested and expected to vest at September 30, 2022
|
|
|
12,329 |
|
|
$ |
416.00 |
|
|
|
1.46 |
|
|
$ |
16,900 |
|
|
| Nonvested Restricted Stock Shares Activity [Table Text Block] |
| |
|
Three months Ended
|
|
| |
|
June 30, 2023
|
|
|
June 30, 2022
|
|
|
Non Vested at March 31, 2023 and 2022
|
|
|
- |
|
|
|
157 |
|
|
Vested
|
|
|
- |
|
|
|
(47 |
)
|
|
Non Vested at June 30, 2023 and 2022
|
|
|
- |
|
|
|
110 |
|
| |
|
Nine months Ended
|
|
| |
|
June 30, 2023
|
|
|
June 30, 2022
|
|
|
Non Vested at September 30, 2022 and 2021
|
|
|
32 |
|
|
|
282 |
|
|
Vested
|
|
|
(32 |
)
|
|
|
(172 |
)
|
|
Non Vested at June 30, 2023 and 2022
|
|
|
- |
|
|
|
110 |
|
|
| |
|
2022
|
|
|
2021
|
|
|
Non Vested at September 30, 2021 and 2020
|
|
|
282 |
|
|
|
|
|
|
Awarded
|
|
|
- |
|
|
|
625 |
|
|
Vested
|
|
|
(250 |
)
|
|
|
(344 |
)
|
|
Forfeited
|
|
|
- |
|
|
|
- |
|
|
Non Vested at September 30, 2022 and 2021
|
|
|
32 |
|
|
|
282 |
|
|
| Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value [Table Text Block] |
| |
|
Three months Ended
|
|
| |
|
June 30, 2023
|
|
|
June 30, 2022
|
|
|
Non Vested at March 31, 2023 and 2022
|
|
$ |
- |
|
|
$ |
160.00 |
|
|
Vested
|
|
|
- |
|
|
|
(160.00 |
)
|
|
Non Vested at June 30, 2023 and 2022
|
|
$ |
- |
|
|
$ |
160.00 |
|
| |
|
Nine months Ended
|
|
| |
|
June 30, 2023
|
|
|
June 30, 2022
|
|
|
Non Vested at September 30, 2022 and 2021
|
|
$ |
144.00 |
|
|
$ |
160.00 |
|
|
Vested
|
|
|
(144.00 |
)
|
|
|
(160.00 |
)
|
|
Non Vested at June 30, 2023 and 2022
|
|
$ |
- |
|
|
$ |
160.00 |
|
|
| |
|
2022
|
|
|
2021
|
|
|
Non Vested at September 30, 2021 and 2020
|
|
$ |
160.00 |
|
|
$ |
- |
|
|
Awarded
|
|
|
|
|
|
|
208.00 |
|
|
Vested
|
|
|
(160.00 |
)
|
|
|
(256.00 |
)
|
|
Forfeited
|
|
|
|
|
|
|
- |
|
|
Non Vested at September 30, 2022 and 2021
|
|
$ |
144.00 |
|
|
$ |
160.00 |
|
|