STOCKHOLDERS' EQUITY - SHARE-BASED COMPENSATION (Details) - USD ($) $ / shares in Units, $ in Thousands				1 Months Ended		12 Months Ended
	Jun. 09, 2023	May 11, 2023	Feb. 09, 2021	Nov. 30, 2023	May 31, 2023	Sep. 30, 2023	Sep. 30, 2022	Nov. 01, 2023
Share-based compensation arrangement by share-based payment award [Line Items]
Common stock, issued shares (in shares)						10,158,678	10,124,587
Value of common stock issued for services						$ 90	$ 3
Subsequent Event
Share-based compensation arrangement by share-based payment award [Line Items]
Common stock, issued shares (in shares)								9,328
Equity-classified share options
Share-based compensation arrangement by share-based payment award [Line Items]
Number of shares granted (in shares)			665,000			0
Shares exercise price						$ 0
Share-based compensation expense						$ 164	657
Income tax effect related to share-based compensation expense						0	$ 0
Total unrecognized compensation cost						$ 50
Period over which unrecognized compensation cost is expected to be recognized						4 months 24 days
Restricted Stock Units (RSUs)
Share-based compensation arrangement by share-based payment award [Line Items]
Share-based compensation expense						$ 99
Income tax effect related to share-based compensation expense						$ 0
Number of restricted stock units granted (in shares)						37,312
Share-based Payment Arrangement, Tranche One | Equity-classified share options
Share-based compensation arrangement by share-based payment award [Line Items]
Number of shares granted (in shares)			605,000
Shares exercise price			$ 3.33
Shares vesting period			3 years
Shares expiration period			10 years
Share-based Payment Arrangement, Tranche Two | Equity-classified share options
Share-based compensation arrangement by share-based payment award [Line Items]
Number of shares granted (in shares)			60,000
Shares exercise price			$ 3.66
Shares vesting period			3 years
Shares expiration period			5 years
Share-based Payment Arrangement, Independent Director
Share-based compensation arrangement by share-based payment award [Line Items]
Issuance of common stock for services (in shares)					34,091
Value of common stock issued for services		$ 90
Share-based Payment Arrangement, Independent Director | Equity-classified share options
Share-based compensation arrangement by share-based payment award [Line Items]
Number of shares granted (in shares)			310,000
Share-based Payment Arrangement, Independent Director | Restricted Stock Units (RSUs)
Share-based compensation arrangement by share-based payment award [Line Items]
Number of restricted stock units granted (in shares)	37,312
Share-based Payment Arrangement, Independent Director | Restricted Stock Units (RSUs) | Subsequent Event
Share-based compensation arrangement by share-based payment award [Line Items]
Number of restricted stock units granted (in shares)				76,366
Share-based Payment Arrangement, Employee | Equity-classified share options
Share-based compensation arrangement by share-based payment award [Line Items]
Number of shares granted (in shares)			355,000
2018 Equity Incentive Plan
Share-based compensation arrangement by share-based payment award [Line Items]
Shares authorized and reserved for issuance (in shares)						1,600,000
Number of shares available for grant (in shares)						1,095,000