Financing Arrangements - Additional Information (Details) - USD ($)
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1 Months Ended |
3 Months Ended |
6 Months Ended |
12 Months Ended |
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Jun. 30, 2026 |
Mar. 01, 2026 |
Nov. 12, 2025 |
Nov. 14, 2024 |
Mar. 31, 2026 |
Jan. 31, 2026 |
Jun. 30, 2026 |
Jun. 30, 2026 |
Jun. 30, 2025 |
Dec. 31, 2025 |
Jun. 21, 2023 |
| Debt Instrument [Line Items] |
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| Aggregate principal amount |
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$ 8,000,000
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| Proceeds from debt net of issuance costs |
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$ 5,800,000
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| Accrue interest |
13.50%
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13.50%
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13.50%
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| Debt discount |
$ 6,800,000
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$ 6,800,000
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$ 6,800,000
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| Minimum liquidity of cash and cash equivalents |
10,000,000
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10,000,000
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10,000,000
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| Available capacity under either an equity line of credit |
$ 30,000,000
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$ 30,000,000
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30,000,000
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| Redeemable common stock, instrument valued amount |
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6,600,000
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| Monthly principal payments |
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200,000
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| Amortization of debt discount |
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$ 600,000
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| Warrants and rights outstanding term |
5 years
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5 years
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5 years
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| Proceeds from issuance of common stock |
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$ 14,303,000
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$ 31,386,000
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| Maturity date |
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Jun. 30, 2031
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| Fair value of convertible notes |
$ 45,693,000
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$ 45,693,000
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$ 45,693,000
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$ 67,457,000
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| Principal amount outstanding on SAFE-T note |
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500,000
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500,000
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| New Convertible Note |
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| Debt Instrument [Line Items] |
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| Aggregate principal amount |
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1,900,000
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| Southern Airways Express |
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| Debt Instrument [Line Items] |
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| Aggregate principal amount |
21,600,000
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21,600,000
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21,600,000
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| PFG Convertible Note Purchase Agreement |
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| Debt Instrument [Line Items] |
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| Long term debt floor rate percentage |
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1.00%
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| Interest rate |
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5.00%
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| Debt instrument interest rate during period |
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9.75%
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| Conversion of outstanding amount to common stock |
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$ 42
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| Financing Cessna Grand Caravan |
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| Debt Instrument [Line Items] |
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| Debt Instrument Principal Amount |
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7,000,000
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| General working capital |
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| Debt Instrument [Line Items] |
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| Debt Instrument Principal Amount |
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14,000,000
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| Convertible Note Purchase Agreement |
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| Debt Instrument [Line Items] |
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| Fair value of convertible notes |
2,993,000
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2,993,000
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2,993,000
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3,982,000
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| Exchange Agreement | New Convertible Note |
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| Debt Instrument [Line Items] |
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| Aggregate principal amount |
$ 16,900,000
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16,900,000
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16,900,000
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| Percentage of principal amount under repayment |
110.00%
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| Debt conversion, common stock issued |
16,615,463
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| Percentage of fee on aggregate loans and commitments |
6.00%
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| Conversion amount |
$ 2,000,000
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| Debt conversion partial redemption amounts |
$ 2,000,000
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$ 2,000,000
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$ 2,000,000
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| Maturity date |
Jul. 01, 2027
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| Conversion of outstanding amount to common stock |
$ 1.116
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$ 1.116
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$ 1.116
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| Exchange Agreement | New Convertible Note | Minimum |
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| Debt Instrument [Line Items] |
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| Percentage for partial redemption payment calculation |
110.00%
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| Exchange Agreement | New Term Note |
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| Debt Instrument [Line Items] |
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| Aggregate principal amount |
$ 30,000,000
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$ 30,000,000
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$ 30,000,000
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| Maturity date |
Jan. 01, 2028
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| Debt instrument interest rate during period |
12.00%
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| Partners for Growth V, L.P. | Convertible Note Purchase Agreement | Senior Unsecured Convertible Promissory Note |
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| Debt Instrument [Line Items] |
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| Aggregate principal amount |
$ 1,000,000
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1,000,000
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1,000,000
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$ 8,000,000
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| LamVen |
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| Debt Instrument [Line Items] |
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| Aggregate principal amount |
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$ 50,000,000
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100,000
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| Number of common stock issued |
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750,000
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| Monthly principal payments |
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49,900,000
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| Notes converted |
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$ 1,900,000
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48,000,000
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| Exercise price of warrant per share |
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$ 1.83
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| Long term debt floor rate percentage |
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1.00%
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| Interest rate |
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5.00%
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| Debt instrument interest rate during period |
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9.75%
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| LamVen | New Convertible Note |
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| Debt Instrument [Line Items] |
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| Aggregate principal amount |
100,000
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100,000
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100,000
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100,000
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| Notes converted |
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49,900,000
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| SAFE-T |
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| Debt Instrument [Line Items] |
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| Fair value of SAFE-T notes |
$ 3,000
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$ 3,000
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$ 3,000
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5,000
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| Warrants A |
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| Debt Instrument [Line Items] |
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| Warrant issued to purchase common stock |
710,294
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710,294
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710,294
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| Exercise price of warrant per share |
$ 1.2555
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$ 1.2555
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$ 1.2555
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| Warrants B |
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| Debt Instrument [Line Items] |
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| Warrant issued to purchase common stock |
617,647
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617,647
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617,647
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| Exercise price of warrant per share |
$ 1.674
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$ 1.674
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$ 1.674
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| High Trail Convertible Note |
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| Debt Instrument [Line Items] |
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| Aggregate principal amount |
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$ 74,000,000
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| Debt instrument issuance price per share percentage |
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87.80%
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| Proceeds from issuance of note before expenses for note |
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$ 65,000,000
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| Percentage of principal amount under repayment |
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105.00%
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| Debt conversion, common stock issued |
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18,574,297
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| Conversion of stock description |
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Further, on March 1, 2026, the Holder of the High Trail Convertible Note had the right to require the Company to redeem a principal amount of the High Trail Convertible Note equal to up to 50% of the gross proceeds from any equity financings (including from our equity line of credit or any future at-the-market program) since issuance of the High Trail Convertible Note, provided that in no event will such amount exceed $6,000,000. The Holder exercised such right in March 2026 up to the maximum amount of $6,000,000.
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Subject to specified conditions, the Company may force the Holder to convert the High Trail Convertible Note at any time if the last reported sale price per share of the Company’s common stock equals or exceeds 150% of the then current conversion price on each of the immediately preceding 20 consecutive trading days, in amounts (i) not less than the lesser of (x) $10,000,000 and (y) the remaining outstanding principal amount of the High Trail Convertible Note, but (ii) not greater than 2.5 times the average dollar daily trading volume during the related 20 trading day measurement period.
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| Percentage of fee on aggregate loans and commitments |
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5.00%
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| Conversion amount |
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$ 2,000,000
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| Debt conversion partial redemption amounts |
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$ 750,000
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| Debt instrument conversion number of shares issuable under the note |
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19,503,012
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| Partial redemption payments |
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$ 22,000,000
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| Number of common stock issued |
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3,510,638
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| Redeemable common stock, instrument valued amount |
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$ 6,600,000
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| Redemption payments |
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6,000,000
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| Transaction costs |
$ 1,600,000
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$ 1,600,000
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1,600,000
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| Provision for payment |
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2,400,000
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| Fair value of convertible notes |
42,700,000
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42,700,000
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42,700,000
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$ 61,600,000
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| Debt instrument interest rate during period |
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15.00%
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| Conversion of outstanding amount to common stock |
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$ 3.98
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| High Trail Convertible Note | Convertible Note |
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| Debt Instrument [Line Items] |
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| Aggregate principal amount |
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$ 6,000,000
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$ 10,000,000
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| High Trail Convertible Note | Minimum |
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| Debt Instrument [Line Items] |
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| Percentage of sale price per share of common stock |
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50.00%
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150.00%
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| Percentage for partial redemption payment calculation |
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105.00%
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| High Trail Convertible Note | Maximum | Convertible Note |
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| Debt Instrument [Line Items] |
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| Aggregate principal amount |
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$ 6,000,000
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| High Trail Convertible Note | Make Whole Provision and Put Right |
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| Debt Instrument [Line Items] |
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| Premium paid over principal redemption amount and initial fair value |
$ 600,000
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$ 600,000
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$ 600,000
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| Common Stock |
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| Debt Instrument [Line Items] |
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| Exchange of common stock, share |
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967,018
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| Common Stock | LamVen |
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| Debt Instrument [Line Items] |
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| Debt conversion, common stock issued |
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967,018
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14,025,167
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| Common Stock | LamVen | New Convertible Note |
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| Debt Instrument [Line Items] |
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| Debt conversion, common stock issued |
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14,992,185
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