Note 5 - Accounts Receivable and Concentration of Credit Risk - Schedule of Allowance for Credit Losses (Details) - USD ($) |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2024 |
Jun. 30, 2023 |
Jun. 30, 2024 |
Jun. 30, 2023 |
|
| Balance | $ 3,923,857 | $ 12,143 | ||
| Charges to expense, net of recoveries | $ 0 | $ 0 | 0 | 3,911,714 |
| Balance | $ 3,923,857 | $ 3,923,857 | $ 3,923,857 | $ 3,923,857 |
| X | ||||||||||
- Definition Amount of allowance for credit loss on accounts receivable, classified as current. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of expense (reversal of expense) for expected credit loss on accounts receivable. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|