STOCK-BASED COMPENSATION - Additional information (Details)				3 Months Ended	6 Months Ended		12 Months Ended
	Mar. 31, 2025 USD ($) $ / shares shares	Jan. 24, 2025 USD ($) director shares	Aug. 03, 2023 USD ($) shares	Sep. 30, 2025 USD ($) shares	Sep. 30, 2025 USD ($) shares	Sep. 30, 2024	Mar. 31, 2025 $ / shares
STOCK-BASED COMPENSATION
Expected life - years					5 years
Remaining unrecognized compensation cost related to stock options				$ 0	$ 0
Maximum contractual term (in years)						1 year 8 months 12 days	2 years 29 days
Restricted Stock Awards issued on August 3, 2023
STOCK-BASED COMPENSATION
Number of shares issued | shares			15,000
Number of shares will vest on each of the first, second, and third anniversaries | shares			5,000
Fair value of shares expected to vest			$ 111,000
Stock based compensation cost				9,000	19,000
Unrecognized compensation cost				18,000	$ 18,000
Unrecognized compensation period					9 months
Restricted Common Stock issued on March 31, 2025
STOCK-BASED COMPENSATION
Number of shares issued | shares	78,261
Stock closing price | $ / shares	$ 2.3						$ 2.3
Fair value of shares expected to vest	$ 180,000
Vesting period	3 years
Stock based compensation cost				15,000	$ 30
Unrecognized compensation cost				$ 150,000	$ 150,000
Unrecognized compensation period					30 months
2016 Plan
STOCK-BASED COMPENSATION
Shares available for grant | shares				126,066	126,066
2016 Plan | Restricted Common Stock awarded on January 24, 2025
STOCK-BASED COMPENSATION
Number of shares issued | shares		54,880
Number of non-employee directors | director		4
Fair value of shares expected to vest		$ 180,000
Stock based compensation cost				$ 45,000	$ 90,000
Unrecognized compensation cost				$ 45,000	$ 45,000
Unrecognized compensation period					3 months
Maximum
STOCK-BASED COMPENSATION
Maximum contractual term (in years)					10 years
Maximum | 2016 Plan
STOCK-BASED COMPENSATION
Number of shares of common stock | shares				1,250,000	1,250,000