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Note 5 - Inventories | 12 Months Ended
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Sep. 30, 2017
Notes to Financial Statements |
Inventory Disclosure [Text Block] | 5 . INVENTORIES Inventories consisted of the following:
|  | September 30, |
|  | 2017 |  |  | 2016 |
Raw materials |  | $ | 3,784,935 |  |  | $ | 4,393,928 |
Finished goods |  |  | 1,742,960 |  |  |  | 775,628 |
Work in process |  |  | 147,871 |  |  |  | 174,485 |
Inventories, gross |  |  | 5,675,766 |  |  |  | 5,344,041 |
Reserve for obsolescence |  |  | (418,532 | ) |  |  | (580,132 | )
Inventories, net |  | $ | 5,257,234 |  |  | $ | 4,763,909 |
The Company had raw materials l ocated at supplier locations of $69,693 and $97,515 at September 30, 2017 and 2016, respectively. The Company relies on one supplier for compression drivers for its LRAD product s and is making efforts to obtain alternative suppliers to reduce such reliance. The Company’s ability to manufacture its LRAD products could be adversely affected if it were to lose this sole source supplier and was unable to find an alternative supplier.

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- Definition The entire disclosure for inventory. Includes, but is not limited to, the basis of stating inventory, the method of determining inventory cost, the classes of inventory, and the nature of the cost elements included in inventory. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 330 -URI http://asc.fasb.org/topic&trid=2126998 + Details
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