FIXED ASSETS - Fixed Assets (Details) - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2018	Sep. 30, 2018
Property, Plant and Equipment [Line Items]
Property, plant, and equipment	$ 5,352	$ 5,201
Less accumulated depreciation and amortization	(2,700)	(2,530)
Fixed assets – net	2,652	2,671
Equipment and software
Property, Plant and Equipment [Line Items]
Property, plant, and equipment	1,792	2,299
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Property, plant, and equipment	$ 439	439
Estimated Useful Lives	5 years
Construction in process
Property, Plant and Equipment [Line Items]
Property, plant, and equipment	$ 151	271
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property, plant, and equipment	1,721	1,453
Capital leases (primarily composed of computer equipment)
Property, Plant and Equipment [Line Items]
Property, plant, and equipment	$ 1,249	$ 739
Minimum | Equipment and software
Property, Plant and Equipment [Line Items]
Estimated Useful Lives	3 years
Minimum | Capital leases (primarily composed of computer equipment)
Property, Plant and Equipment [Line Items]
Estimated Useful Lives	3 years
Maximum | Equipment and software
Property, Plant and Equipment [Line Items]
Estimated Useful Lives	7 years
Maximum | Capital leases (primarily composed of computer equipment)
Property, Plant and Equipment [Line Items]
Estimated Useful Lives	7 years