Note 7 - Income Taxes (Details Textual) |
3 Months Ended | 12 Months Ended | |
|---|---|---|---|
Sep. 30, 2019 |
Sep. 30, 2018 |
Jun. 30, 2020 |
|
| Effective Income Tax Rate Reconciliation, Percent, Total | 24.40% | 24.90% | |
| Forecast [Member] | |||
| Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent | 21.00% | ||
| X | ||||||||||
- Definition Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Percentage of domestic federal statutory tax rate applicable to pretax income (loss). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Details
|