4. DISCONTINUED OPERATIONS - Summary of balance sheet disclosure (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Sep. 30, 2023
Current assets
Accounts receivable, net	$ 65	$ 126
Inventory	319	319
Total current assets held for sale	384	445
Total assets held for sale	384	445
Current liabilities
Accounts payable and accrued liabilities	706	978
Operating lease liability	0	197
Total current liabilities held for sale	$ 706	$ 1,175