v3.26.3
Convertible Notes - Additional Information (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Jun. 30, 2026
Debt Instrument [Line Items]      
Total principal balance of Convertible Notes outstanding $ 36,838   $ 36,838
Debt issuance costs 0 $ 1,102  
Interest expense 1,055 1,028  
Convertible Notes      
Debt Instrument [Line Items]      
Total principal balance of Convertible Notes outstanding $ 36,800   $ 36,800
Debt instrument maturity date Feb. 26, 2030   Feb. 26, 2030
Issuance of notes to related parties. $ 17,900    
Accrued interest rate on notes payable 5.00%    
Notes payable, interest rate description The Convertible Notes accrue interest at 5.0% per annum, payable semiannually in arrears on June 30 and December 31, commencing June 30, 2020, in cash or in kind at the option of the Company.    
Number of common stock shares issuable upon conversion of each $1000 principal debt amount 288.0018    
Debt issuance costs $ 1,200    
Amortization period of convertible notes debt discount and debt issuance costs 10 years    
Unamortized debt issuance costs $ 300   $ 400
Interest expense 500 $ 500  
ICAM | Convertible Notes      
Debt Instrument [Line Items]      
Total principal balance of Convertible Notes outstanding $ 8,800    
Number of common stock shares issuable upon conversion of convertible notes 2,521,618    
Matthew A. Drapkin and funds | Convertible Notes      
Debt Instrument [Line Items]      
Total principal balance of Convertible Notes outstanding $ 8,200    
Number of common stock shares issuable upon conversion of convertible notes 2,364,027    
Eric J Scheyer | Convertible Notes      
Debt Instrument [Line Items]      
Issuance of notes to related parties. $ 900    
PC Elfun | Convertible Notes      
Debt Instrument [Line Items]      
Shares issued convertible notes, Value $ 12,000    
Number of common stock shares issuable upon conversion of convertible notes 2,964,179    
Minimum percentage of common shares outstanding owned 9.90%