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Convertible Notes - Additional Information (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended 12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Mar. 31, 2026
Mar. 31, 2025
Jun. 30, 2025
Debt Instrument [Line Items]          
Total outstanding principal balance of convertible notes $ 35,940   $ 35,940   $ 35,063
Debt issuance costs     1,257 $ 0  
Interest expense 1,033 $ 1,039 3,083 3,097  
Convertible Notes          
Debt Instrument [Line Items]          
Total outstanding principal balance of convertible notes $ 35,900   $ 35,900   $ 35,100
Debt instrument maturity date     Feb. 26, 2030   Feb. 26, 2030
Issuance of notes to related parties.     $ 17,400    
Accrued interest rate on notes payable 5.00%   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   288.0018    
Debt issuance costs     $ 1,200    
Amortization period of convertible notes debt discount and debt issuance costs     10 years    
Unamortized debt issuance costs $ 400   $ 400   $ 500
Interest expense 500 $ 500 1,400 $ 1,400  
ICAM | Convertible Notes          
Debt Instrument [Line Items]          
Total outstanding principal balance of convertible notes 8,500   $ 8,500    
Number of common stock shares issuable upon conversion of convertible notes     2,460,115    
Matthew A. Drapkin and funds | Convertible Notes          
Debt Instrument [Line Items]          
Total outstanding principal balance of convertible notes $ 8,000   $ 8,000    
Number of common stock shares issuable upon conversion of convertible notes     2,306,367    
PC Elfun | Convertible Notes          
Debt Instrument [Line Items]          
Shares issued convertible notes, Value     $ 11,700    
Number of common stock shares issuable upon conversion of convertible notes     2,961,866    
Minimum percentage of common shares outstanding owned 9.90%   9.90%