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v3.26.1

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% |  |

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