Note 6 - Leases - Operating Lease Expense (Details) - USD ($) |
12 Months Ended | |
|---|---|---|
Sep. 30, 2020 |
Sep. 30, 2019 |
|
| Total lease expense under ASC 842 | $ 1,126,145 | |
| Total lease expense under ASC 840 | $ 897,868 | |
| Cost of Sales [Member] | ||
| Total lease expense under ASC 842 | 904,638 | |
| Total lease expense under ASC 840 | 678,652 | |
| Selling, General and Administrative Expenses [Member] | ||
| Total lease expense under ASC 842 | $ 221,507 | |
| Total lease expense under ASC 840 | $ 219,216 | |
| X | ||||||||||
- Definition Amount of operating lease expense. Excludes sublease income. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income. Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
|
| X | ||||||||||
- Details
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| X | ||||||||||
- Details
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