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Convertible Notes - Additional Information (Details) - USD ($) $ in Thousands |  |  |  | 1 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | ---
Jun. 30, 2025 | Mar. 10, 2021 | Feb. 26, 2020 | Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024
Debt Instrument [Line Items] |  |  |  |  |  |  |
Issuance of notes payable |  |  |  | $ 2,200 | $ 4,200 |  |
Total principal balance of Convertible Notes outstanding | $ 35,063 |  |  | 35,063 | 35,494 | $ 35,063 | $ 35,494
Repurchase of convertible notes | 1,800 |  |  | 1,800 |  | 1,800 |
Realized gain on Convertible Notes | 500 |  |  |  | 2,300 | 467 | 2,252
Interest expense |  |  |  |  |  | 4,157 | 4,334
Convertible Notes |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Issuance of notes payable |  |  | $ 30,000 |  |  |  |
Debt instrument maturity date |  |  | Feb. 26, 2030 |  |  |  |
Total principal balance of Convertible Notes outstanding | 35,100 |  |  | $ 35,100 |  | 35,100 |
Issuance of notes to related parties. |  |  |  |  |  | $ 17,000 |
Repurchase of convertible notes |  |  |  |  | $ 2,100 |  | 2,100
Accrued interest rate on notes payable |  |  | 5.00% |  |  |  |
Notes payable, interest rate description |  |  |  |  |  | the Company issued notes at par with an aggregate principal balance of $30 million due on February 26, 2030 that 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 |
Interest expense |  |  |  |  |  | $ 1,900 | 2,100
Paid-in-kind interest |  |  |  |  |  | $ 1,800 | $ 1,900
MAST Capital | Additional Convertible Notes |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Issuance of notes payable |  | $ 2,300 |  |  |  |  |
Matthew A. Drapkin | Convertible Notes |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Issuance of notes to related parties. | 7,800 |  |  |  |  |  |
Number of common stock shares issuable upon conversion of convertible notes |  |  |  |  |  | 2,250,113 |
Jason W. Reese | Convertible Notes |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Issuance of notes to related parties. | 8,300 |  |  |  |  |  |
Number of common stock shares issuable upon conversion of convertible notes |  |  |  |  |  | 2,400,112 |
Eric J Scheyer | Convertible Notes |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Issuance of notes to related parties. | $ 800 |  |  |  |  |  |
PC Elfun | Convertible Notes |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Number of common stock shares issuable upon conversion of convertible notes |  |  |  |  |  | 3,281,402 |
Shares issued convertible notes, Value |  |  |  |  |  | $ 11,400 |

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