6. PATENTS (Tables)

12 Months Ended

Sep. 30, 2017

Net Loss Per Common Share Tables

Schedule of Patents

	2017	2016
Patents	$ 1,535,087	$ 1,528,610
Accumulated amortization	(1,311,920)	(1,272,063)
Patents, net	$ 223,167	$ 256,547

Schedule of total estimated future amortization

Years ending September 30,
2018	$ 37,000
2019	35,000
2020	32,000
2021	28,000
2022	25,000
Thereafter	66,000
	$ 223,000