SUMMARY OF ACCOUNTING POLICIES - Property, plant and equipment (Details) - USD ($)	Sep. 30, 2018	Sep. 30, 2017
Property, Plant and Equipment [Line Items]
Total	$ 2,456,029	$ 2,189,985
Accumulated depreciation	2,036,255	1,666,297
Property and equipment, net	419,774	523,688
Computer equipment
Property, Plant and Equipment [Line Items]
Total	135,621	85,413
Lab equipment
Property, Plant and Equipment [Line Items]
Total	1,951,955	1,770,407
Furniture
Property, Plant and Equipment [Line Items]
Total	74,781	44,592
Leasehold improvements
Property, Plant and Equipment [Line Items]
Total	$ 293,672	$ 289,573