v3.26.1
SHARE-BASED COMPENSATION - Unvested restricted stock awards (Details) - USD ($)
 3 Months Ended 6 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Mar. 31, 2026
Mar. 31, 2025
Sep. 30, 2025
STOCK PURCHASE PLAN          
Number of shares granted to date (in shares) 88,125   88,125    
Granted value, to date     $ 541,037    
Number of unvested shares (in shares) 37,392   37,392   33,676
Unvested Value $ 341,676   $ 341,676    
Weighted average grant-date fair value (in dollars per share) $ 6.14   $ 6.14    
Named Executive Officers          
STOCK PURCHASE PLAN          
Number of shares granted to date (in shares) 52,490   52,490    
Granted value, to date     $ 216,013    
Number of unvested shares (in shares) 8,032   8,032    
Unvested Value $ 75,002   $ 75,002    
Weighted average grant-date fair value (in dollars per share) $ 4.12   $ 4.12    
Named Executive Officers | Douglas Reynolds | Award granted, February 15, 2023          
STOCK PURCHASE PLAN          
Number of shares granted (in shares)     40,000    
Grant Price (In dollars per share)     $ 2.65    
Grant value at issuance     $ 106,000    
Named Executive Officers | Douglas Reynolds | Award granted, August 21, 2024          
STOCK PURCHASE PLAN          
Number of shares granted (in shares)     4,061    
Grant Price (In dollars per share)     $ 9.85    
Grant value at issuance     $ 40,001    
Number of unvested shares (in shares) 2,707   2,707    
Unvested Value $ 26,664   $ 26,664    
Named Executive Officers | Charles Crimmel | Award granted, January 17, 2024          
STOCK PURCHASE PLAN          
Number of shares granted (in shares)     3,663    
Grant Price (In dollars per share)     $ 5.46    
Grant value at issuance     $ 20,000    
Number of unvested shares (in shares) 1,221   1,221    
Unvested Value $ 6,667   $ 6,667    
Named Executive Officers | Charles Crimmel | Award granted, January 15, 2025          
STOCK PURCHASE PLAN          
Number of shares granted (in shares)     1,985    
Grant Price (In dollars per share)     $ 12.6    
Grant value at issuance     $ 25,011    
Number of unvested shares (in shares) 1,323   1,323    
Unvested Value $ 16,670   $ 16,670    
Named Executive Officers | Charles Crimmel | Award granted, January 21, 2026          
STOCK PURCHASE PLAN          
Number of shares granted (in shares)     2,781    
Grant Price (In dollars per share)     $ 8.99    
Grant value at issuance     $ 25,001    
Number of unvested shares (in shares) 2,781   2,781    
Unvested Value $ 25,001   $ 25,001    
Restricted stock awards          
STOCK PURCHASE PLAN          
Number of shares granted (in shares) 8,343 3,970 19,594 3,970  
Award 1          
STOCK PURCHASE PLAN          
Number of shares granted (in shares)     40,000    
Grant Price (In dollars per share)     $ 2.65    
Grant value at issuance     $ 106,000    
Award 2          
STOCK PURCHASE PLAN          
Number of shares granted (in shares)     3,663    
Grant Price (In dollars per share)     $ 5.46    
Grant value at issuance     $ 20,000    
Number of unvested shares (in shares) 1,221   1,221    
Unvested Value $ 6,667   $ 6,667    
Award 3          
STOCK PURCHASE PLAN          
Number of shares granted (in shares)     6,684    
Grant Price (In dollars per share)     $ 7.48    
Grant value at issuance     $ 50,000    
Number of unvested shares (in shares) 4,456   4,456    
Unvested Value $ 33,333   $ 33,333    
Award 4          
STOCK PURCHASE PLAN          
Number of shares granted (in shares)     10,153    
Grant Price (In dollars per share)     $ 9.85    
Grant value at issuance     $ 100,007    
Number of unvested shares (in shares) 6,768   6,768    
Unvested Value $ 66,665   $ 66,665    
Award 5          
STOCK PURCHASE PLAN          
Number of shares granted (in shares)     4,061    
Grant Price (In dollars per share)     $ 9.85    
Grant value at issuance     $ 40,001    
Number of unvested shares (in shares) 2,707   2,707    
Unvested Value $ 26,664   $ 26,664    
Award 6          
STOCK PURCHASE PLAN          
Number of shares granted (in shares)     1,985    
Grant Price (In dollars per share)     $ 12.6    
Grant value at issuance     $ 25,011    
Number of unvested shares (in shares) 1,323   1,323    
Unvested Value $ 16,670   $ 16,670    
Award 7          
STOCK PURCHASE PLAN          
Number of shares granted (in shares)     1,985    
Grant Price (In dollars per share)     $ 12.6    
Grant value at issuance     $ 25,011    
Number of unvested shares (in shares) 1,323   1,323    
Unvested Value $ 16,670   $ 16,670    
Award 8          
STOCK PURCHASE PLAN          
Number of shares granted (in shares)     5,291    
Grant Price (In dollars per share)     $ 9.45    
Grant value at issuance     $ 50,000    
Number of unvested shares (in shares) 5,291   5,291    
Unvested Value $ 50,000   $ 50,000    
Award 9          
STOCK PURCHASE PLAN          
Number of shares granted (in shares)     2,980    
Grant Price (In dollars per share)     $ 8.39    
Grant value at issuance     $ 25,002    
Number of unvested shares (in shares) 2,980   2,980    
Unvested Value $ 25,002   $ 25,002    
Award 10          
STOCK PURCHASE PLAN          
Number of shares granted (in shares)     2,980    
Grant Price (In dollars per share)     $ 8.39    
Grant value at issuance     $ 25,002    
Number of unvested shares (in shares) 2,980   2,980    
Unvested Value $ 25,002   $ 25,002    
Award 11          
STOCK PURCHASE PLAN          
Number of shares granted (in shares)     2,781    
Grant Price (In dollars per share)     $ 8.99    
Grant value at issuance     $ 25,001    
Number of unvested shares (in shares) 2,781   2,781    
Unvested Value $ 25,001   $ 25,001    
Award 12          
STOCK PURCHASE PLAN          
Number of shares granted (in shares)     2,781    
Grant Price (In dollars per share)     $ 8.99    
Grant value at issuance     $ 25,001    
Number of unvested shares (in shares) 2,781   2,781    
Unvested Value $ 25,001   $ 25,001    
Award 13          
STOCK PURCHASE PLAN          
Number of shares granted (in shares)     2,781    
Grant Price (In dollars per share)     $ 8.99    
Grant value at issuance     $ 25,001    
Number of unvested shares (in shares) 2,781   2,781    
Unvested Value $ 25,001   $ 25,001