STOCKHOLDERS' EQUITY - NARRATIVE (Details) $ / shares in Units, $ in Thousands										1 Months Ended	3 Months Ended		6 Months Ended
	Feb. 25, 2026 USD ($) $ / shares	Jan. 30, 2026 shares	Jan. 26, 2026 shares	Dec. 10, 2025 shares	Dec. 03, 2025 shares	Nov. 28, 2025 USD ($) $ / shares	Nov. 24, 2025 $ / shares shares	Oct. 27, 2025 USD ($) $ / shares shares	Oct. 08, 2025 shares	Jan. 31, 2026 USD ($)	Mar. 31, 2026 USD ($) $ / shares shares	Mar. 31, 2025 USD ($)	Mar. 31, 2026 USD ($) $ / shares shares	Mar. 31, 2025 USD ($) shares	Sep. 30, 2025 USD ($) $ / shares
Class of Warrant or Right [Line Items]
Issuance of common stock, net of costs											$ 957		$ 3,365	$ 0
Common stock, par value (in dollars per share) | $ / shares											$ 0.50		$ 0.50		$ 0.50
Issuance of common stock for services													$ 101
Share-based compensation expense											$ 20	$ 0	35	$ 0
Total unrecognized compensation cost											$ 99		$ 99		$ 0
Common Stock
Class of Warrant or Right [Line Items]
Issuance of common stock, net of costs (in shares) | shares											926,403		3,147,544	25,444
Issuance of common stock, net of costs											$ 464		$ 1,574	$ 13
Issuance of common stock for services (in shares) | shares													83,207
Issuance of common stock for services													$ 42
Common Stock | Private Placement
Class of Warrant or Right [Line Items]
Issuance of common stock, net of costs (in shares) | shares		3,250,245					2,221,141
Shares issued, price per share (in dollars per share) | $ / shares							$ 1.10
Common Stock | At-the-Market Equity Offering Program
Class of Warrant or Right [Line Items]
Issuance of common stock, net of costs (in shares) | shares											926,403
Proceeds from issuance of private placement	$ 50,000									$ 50,000
Common stock, par value (in dollars per share) | $ / shares	$ 0.50
Maximum amount of shares available for issuance	$ 3,200
Consideration received on transaction											$ 1,133
Sale of stock, price per share (in dollars per share) | $ / shares											$ 1.22		$ 1.22
Net proceeds from issuance of equity											$ 957
Commissions expense											28
Stock issuance costs, commissions, fees, and ATM-related professional services											148
Warrant | Private Placement
Class of Warrant or Right [Line Items]
Number of securities called by warrants or rights (in shares) | shares							1,029,104
Proceeds from issuance of private placement						$ 2,443
Issuance of common stock, net of costs						2,408
Issuance costs						$ 35
Exercise price of warrants or rights (in dollars per share) | $ / shares						$ 0.30	$ 1.65
Class of warrant or right, exercise price						$ 309
Class of warrant or right, issuance cost						4
Proceeds from issuance of warrants						$ 305
Warrant | Private Placement | Minimum
Class of Warrant or Right [Line Items]
Warrant exercise period							180 days
Warrant | Private Placement | Maximum
Class of Warrant or Right [Line Items]
Warrant exercise period						3 years
Equity-classified share options
Class of Warrant or Right [Line Items]
Issuance of common stock for services								$ 101
Shares exercise price (in dollars per share) | $ / shares								$ 1.21					$ 1.21
Number of shares granted (in shares) | shares													185,000
Shares expiration period								10 years
Equity-classified share options | Share-based Payment Arrangement, Tranche One
Class of Warrant or Right [Line Items]
Percent of award vesting rights								34.00%
Equity-classified share options | Share-based Payment Arrangement, Tranche Two
Class of Warrant or Right [Line Items]
Percent of award vesting rights								33.00%
Equity-classified share options | Share-Based Payment Arrangement, Tranche Three
Class of Warrant or Right [Line Items]
Percent of award vesting rights								33.00%
Equity-classified share options | Share-based Payment Arrangement, Employee
Class of Warrant or Right [Line Items]
Issuance of common stock for services (in shares) | shares								83,207
Number of shares granted (in shares) | shares								185,000
Restricted Stock Units (RSUs)
Class of Warrant or Right [Line Items]
Share-based compensation expense											108	$ 60	$ 187	$ 129
Granted (in shares) | shares													363,441
Total unrecognized compensation cost											$ 407		$ 407
Period over which unrecognized compensation cost is expected to be recognized													1 year 2 months 12 days
Restricted Stock Units (RSUs) | Share-based Payment Arrangement, Independent Director
Class of Warrant or Right [Line Items]
Granted (in shares) | shares					43,860				133,335
Shares vesting period					3 years				3 years
Restricted Stock Units (RSUs) | Share-based Payment Arrangement, Employee
Class of Warrant or Right [Line Items]
Granted (in shares) | shares								83,208
Restricted Stock Units (RSUs) | Share-based Payment Arrangement, Officer and Members of the Board
Class of Warrant or Right [Line Items]
Granted (in shares) | shares			75,000	28,038
Shares vesting period			1 year	1 year
Limited-Duration Shareholder Rights Plan
Class of Warrant or Right [Line Items]
Number of rights for each outstanding share (in shares) | shares		1
Triggering percentage		20.00%
Disallowed acquisition of additional shares outstanding above triggering percentage		0.25%