NATURE OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Schedule of Property and Equipment (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Sep. 30, 2024
Property, Plant and Equipment [Line Items]
Property, plant and equipment, at cost	$ 8,613	$ 9,042
Less: accumulated depreciation and amortization	(6,299)	(6,478)
Total property and equipment, net	2,314	2,564
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, at cost	1,044	1,195
Machinery and equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, at cost	2,367	2,797
Capitalized software development costs
Property, Plant and Equipment [Line Items]
Property, plant and equipment, at cost	4,607	4,343
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Property, plant and equipment, at cost	$ 595	$ 707