SUMMARY OF ACCOUNTING POLICIES - Property and equipment (Details) - USD ($)	Sep. 30, 2019	Sep. 30, 2018
Property, Plant and Equipment [Line Items]
Total	$ 2,519,482	$ 2,456,029
Accumulated depreciation	2,293,261	2,036,255
Property and equipment, net	226,221	419,774
Computer equipment
Property, Plant and Equipment [Line Items]
Total	265,542	135,621
Lab equipment
Property, Plant and Equipment [Line Items]
Total	1,885,487	1,951,955
Furniture
Property, Plant and Equipment [Line Items]
Total	74,781	74,781
Leasehold improvements
Property, Plant and Equipment [Line Items]
Total	$ 293,672	$ 293,672