Note 6 - Inventories - Components of Inventory (Details) - USD ($) |
Jun. 30, 2018 |
Sep. 30, 2017 |
|---|---|---|
| Raw materials | $ 5,136,429 | $ 5,991,863 |
| Work-in-progress | 773,652 | 724,248 |
| Finished goods | 3,777,971 | 1,737,456 |
| Inventories, net | $ 9,688,052 | $ 8,453,567 |
| X | ||||||||||
- Definition Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount before valuation and LIFO reserves of raw materials expected to be sold, or consumed within one year or operating cycle, if longer. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount before valuation and LIFO reserves of merchandise or goods in the production process expected to be completed within one year or operating cycle, if longer. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|