INCOME TAXES - Components of deferred tax assets (Details 2) - USD ($)	Sep. 30, 2018	Sep. 30, 2017
Deferred tax assets (liabilities):
Stock based compensation	$ 1,947,000	$ 2,836,000
Depreciation and amortization	339,000	500,000
Net operating loss carry forward	13,248,000	16,143,000
Tax credits	944,000	521,000
Other	69,000	52,000
Less: valuation allowance	(16,547,000)	(20,052,000)
Net deferred tax asset	$ 0	$ 0