v3.24.0.1

Debt (The Credit Agreement) (Details) - USD ($) |  |  |  |  |  |  |  |  | 6 Months Ended |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Dec. 22, 2023 | Oct. 05, 2023 | Oct. 04, 2023 | Sep. 18, 2023 | May 10, 2023 | Mar. 24, 2023 | Feb. 20, 2023 | Oct. 11, 2022 | Dec. 31, 2023 | Dec. 31, 2022 | Feb. 09, 2024 | Dec. 21, 2023 | Jun. 30, 2023 | Jan. 31, 2023 | Oct. 10, 2022 | Nov. 01, 2021
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Restricted cash |  |  |  |  |  |  |  |  | $ 215,000 |  |  |  | $ 253,000 |  |  |
Amount released from restricted cash |  |  |  |  |  |  |  |  | 3,519,000 | $ 24,723,000 |  |  |  |  |  |
Period for payment of equity interests at-the-market facility |  |  |  |  |  |  | 5 days |  |  |  |  |  |  |  |  |
Settlement payment received |  |  |  |  |  | $ 5,100,000 |  |  |  |  |  |  |  |  |  |
Collateral held |  |  |  |  |  |  |  |  | 1,300,000 |  |  |  |  |  |  |
Restricted cash |  |  |  |  |  |  |  |  | 1,300,000 |  |  |  | 3,300,000 |  |  |
Secured Term Loan |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Secured term loan |  |  |  |  |  |  |  |  |  |  |  |  | 13,057,000 |  |  | $ 22,375,000
Deferred finance costs |  |  |  |  |  |  |  |  |  |  |  |  | 120,000 |  |  |
Interest rate (as percent) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3.25%
Debt balance |  |  |  |  |  |  |  |  | 12,655,000 |  |  |  | $ 12,937,000 |  |  |
Amended Credit Agreement |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate (as percent) |  |  |  |  | 5.25% |  |  |  |  |  |  |  |  |  |  |
Unrestricted cash |  |  | $ 0 |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of payment of equity Interests from proceeds of at-the-market facility |  |  |  |  |  | 40.00% | 40.00% |  |  |  |  |  |  |  |  |
Percentage of payment from proceeds of sales of equipment |  |  |  |  |  | 40.00% |  |  |  |  |  |  |  |  |  |
Amount retained |  |  |  |  |  | $ 2,000,000 |  |  |  |  |  |  |  |  |  |
Withdrawal from restricted funds |  | $ 2,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Threshold period for delivery of executed copy of Purchase Agreement for the sale of the Facility after entry of Amendment |  |  |  | 1 day |  |  |  |  |  |  |  |  |  |  |  |
Amended Credit Agreement | Subsequent Event |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Restricted cash |  |  |  |  |  |  |  |  |  |  | $ 900,000 |  |  |  |  |
Amended Credit Agreement | If The Facility Is Sold On Or Before June 30, 2023 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payable in-kind rate (in percent) |  |  |  |  | 1.00% |  |  |  |  |  |  |  |  |  |  |
Amended Credit Agreement | If The Facility Is Sold After June 2023, But On Or Before September 30, 2023 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payable in-kind rate (in percent) |  |  |  |  | 2.00% |  |  |  |  |  |  |  |  |  |  |
Amended Credit Agreement | If The Facility Is Sold After September 30, 2023, Or Not Sold Prior To The Maturity Date |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payable in-kind rate (in percent) |  |  |  |  | 3.00% |  |  |  |  |  |  |  |  |  |  |
Amended Credit Agreement | If The Facility Is Not Sell On Or Before December 1, 2023 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount of fees to be paid |  |  |  | $ 20,000 |  |  |  |  |  |  |  |  |  |  |  |
College Station Investors LLC And Bryan Capital | Secured Term Loan |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Secured term loan |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 22,375,000
Woodforest Bank |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Unrestricted cash |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 7,500,000 |  |
Percentage of payment of equity Interests from proceeds of at-the-market facility |  |  |  |  |  | 20.00% |  |  |  |  |  |  |  |  |  |
Percentage of payment from proceeds of sales of equipment |  |  |  |  |  | 20.00% |  |  |  |  |  |  |  |  |  |
Woodforest Bank | Amended Credit Agreement |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate (as percent) | 4.50% |  |  |  |  |  |  |  |  |  |  | 5.25% |  |  |  |
Payable in-kind rate (in percent) | 4.50% |  |  |  |  |  |  |  |  |  |  | 3.00% |  |  |  |
Debt amortization payment |  |  |  |  |  |  |  | $ 250,000 |  |  |  |  |  |  |  |
Amendment fee |  |  |  |  |  |  |  | 22,375 |  |  |  |  |  |  |  |
Liquidity covenant, amount |  |  |  |  |  | $ 7,500,000 |  | 7,500,000 | $ 1,000,000 |  |  |  |  |  | $ 10,000,000 |
Collateral held |  |  |  |  | $ 3,000,000.0 | 3,000,000 |  |  |  |  |  |  |  |  |  |
Minimum balance requirement | $ 900,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Increase in fees payable | 10,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount of fees to be paid | 155,000 |  | 20,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Withdrawal from restricted funds | $ 150,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Woodforest Bank | Amended Credit Agreement | Date Of Amendment |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Principal payment |  |  |  |  |  |  |  | 5,500,000 |  |  |  |  |  |  |  |
Woodforest Bank | Amended Credit Agreement | Within Two Business Days Of Frunhofer Legal Settlement |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Principal payment |  |  |  |  |  |  |  | 5,100,000 |  |  |  |  |  |  |  |
Woodforest Bank | Amended Credit Agreement | Occurrence Of Specific Milestone |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Liquidity covenant, amount |  |  |  |  |  |  |  | $ 5,000,000.0 |  |  |  |  |  |  |  |
Woodforest Bank | Amended Credit Agreement | If Outstanding Principal Amount Reduced to 10,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Reduction of outstanding principal amount |  |  |  |  | 10,000,000.0 |  |  |  |  |  |  |  |  |  |  |
Amount to be released from restricted cash |  |  |  |  | 500,000 |  |  |  |  |  |  |  |  |  |  |
Woodforest Bank | Amended Credit Agreement | If Each Additional Reduction of Outstanding Principal Amount is 2,500,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount to be released from restricted cash |  |  |  |  | 750,000 |  |  |  |  |  |  |  |  |  |  |
Amount of fees to be paid |  |  |  |  |  | $ 75,000 |  |  |  |  |  |  |  |  |  |
Woodforest Bank | Amended Credit Agreement | If The Facility Is Sold On Or Before June 30, 2023 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount of fees to be paid |  |  |  |  | 75,000 |  |  |  |  |  |  |  |  |  |  |
Woodforest Bank | Amended Credit Agreement | If The Facility Is Sold After June 2023, But On Or Before September 30, 2023 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount of fees to be paid |  |  |  |  | 100,000 |  |  |  |  |  |  |  |  |  |  |
Woodforest Bank | Amended Credit Agreement | If The Facility Is Sold After September 30, 2023, Or Not Sold Prior To The Maturity Date |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount of fees to be paid |  |  |  |  | 125,000 |  |  |  |  |  |  |  |  |  |  |
Woodforest Bank | Amended Credit Agreement | If Additional Outstanding Principal Amount Reduced To 250,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Additional reduction of outstanding principal amount |  |  |  |  | $ 2,500,000 |  |  |  |  |  |  |  |  |  |  |
Woodforest Bank | Amended Credit Agreement | Withdrawal After October 16, 2023 With Minimum Balance Until November 13, 2023 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Minimum balance requirement |  |  | 1,250,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Woodforest Bank | Amended Credit Agreement | Withdrawal After October 16, 2023 With Minimum Balance Until November 13, 2023 | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Withdrawal from deposit account |  |  | 750,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Woodforest Bank | Amended Credit Agreement | Withdrawal on October 4, 2023 With Minimum Balance Until October 16, 2023 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Minimum balance requirement |  |  | 2,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Woodforest Bank | Amended Credit Agreement | Withdrawal on October 4, 2023 With Minimum Balance Until October 16, 2023 | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Withdrawal from deposit account |  |  | 1,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Woodforest Bank | Amended Credit Agreement | Withdrawal after November 13, 2023 with Minimum Balance Until Payment in Full |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Minimum balance requirement |  |  | 1,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Woodforest Bank | Amended Credit Agreement | Withdrawal after November 13, 2023 with Minimum Balance Until Payment in Full | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Withdrawal from deposit account |  |  | $ 250,000 |  |  |  |  |  |  |  |  |  |  |  |  |

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