Consolidated Statements of Operations - USD ($)	12 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
Income Statement [Abstract]
Net sales	$ 27,733,367	$ 26,651,631
Cost of sales	16,528,894	16,499,372
Gross profit	11,204,473	10,152,259
Operating expenses:
Selling, general and administrative expense	11,783,376	11,135,545
Engineering and development expense	4,145,318	4,811,465
Intangible asset writedown		838,500
Operating Expenses	15,928,694	16,785,510
Operating loss	(4,724,221)	(6,633,251)
Other income (expense):
Interest expense	(687,016)	(379,767)
Interest income	2,090	1,438
Loss before income taxes	(5,409,147)	(7,011,580)
Income tax expense
Net loss	$ (5,409,147)	$ (7,011,580)
Loss per share:
Basic	$ (0.32)	$ (0.75)
Diluted	$ (0.32)	$ (0.75)