Note 4 - Inventory (Tables)

12 Months Ended

Sep. 30, 2017

Notes Tables

Schedule of Inventory, Current [Table Text Block]

	2017		2016
Raw materials and component parts	$	2,659,171	$	2,022,092
Work-in-process		370,506		438,447
Finished products		1,301,338		1,083,852
Total Inventory		4,331,015		3,544,391
Less: Inventory reserves		473,252		235,592
Net Inventory	$	3,857,763	$	3,308,799