PROPERTY, PLANT AND EQUIPMENT, NET (Details) - USD ($)	3 Months Ended		6 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Jun. 30, 2022	Dec. 31, 2023
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 4,728,000			$ 4,760,000
Accumulated depreciation and amortization	(2,638,000)			(2,404,000)
Property, plant and equipment, net	2,090,000			2,356,000
Depreciation and amortization expense	280,000	$ 347,000
Industrial operations
Property, Plant and Equipment [Line Items]
Depreciation and amortization expense	252,000	$ 313,000
Industrial operations | Cost of Sales
Property, Plant and Equipment [Line Items]
Depreciation and amortization expense	106,000		$ 111,000
Machinery and equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	3,038,000			3,035,000
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	395,000			395,000
Computer hardware and software
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	277,000			312,000
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 1,018,000			$ 1,018,000