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Note 6 - Inventories (Details) - Components of Inventory (USD $)
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Jun. 30, 2014
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Sep. 30, 2013
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| Components of Inventory [Abstract] | ||
| Raw materials | $ 3,609,891 | $ 4,110,224 |
| Work-in-progress | 519,621 | 494,980 |
| Finished goods | 1,169,058 | 1,021,560 |
| $ 5,298,570 | $ 5,626,764 |
| X | ||||||||||
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- Details
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| X | ||||||||||
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- 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://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- 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://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- 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://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- 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://www.xbrl.org/2003/role/presentationRef
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