Convertible Debt (Details) $ / shares in Units, shares in Millions | | | | | | | | | | | | | | | | | 3 Months Ended | 12 Months Ended |
Mar. 12, 2024 USD ($) $ / shares | Jan. 31, 2024 USD ($) | Jan. 11, 2024 USD ($) | Dec. 20, 2023 USD ($) | Nov. 21, 2023 USD ($) | Sep. 26, 2023 USD ($) $ / shares shares | Sep. 11, 2023 USD ($) $ / shares | Aug. 02, 2023 USD ($) $ / shares shares | Apr. 24, 2023 USD ($) $ / shares | Jan. 13, 2023 USD ($) | Dec. 31, 2022 USD ($) | Nov. 10, 2022 USD ($) | Jul. 22, 2022 $ / shares | Jul. 21, 2022 | Jul. 20, 2022 USD ($) $ / shares | May 10, 2022 | Mar. 31, 2024 USD ($) tradingDay d shares | Mar. 31, 2023 USD ($) shares | Dec. 31, 2023 shares |
Debt Conversion [Line Items] | | | | | | | | | | | | | | | | | | | |
Proceeds from PPA, net of issuance costs | | | | | | | | | | | | | | | | | $ 83,257,000 | $ 5,001,000 | |
Loss (Gain) on extinguishment of debt | | | | | | | | | | | | | | | | | (24,466,000) | 26,739,000 | |
Other noncash income (expense) | | | | | | | | | | | | | | | | | (437,000) | (800,000) | |
Repayments on pre-paid purchase agreement | | | | | | | | | | | | | | | | | 33,007,000 | $ 0 | |
Tenth Pre Paid Advance Agreement | | | | | | | | | | | | | | | | | | | |
Debt Conversion [Line Items] | | | | | | | | | | | | | | | | | | | |
Repayments on pre-paid purchase agreement | | | | | | | | | | | | | | | | | 45,000,000 | | |
Convertible Debt | | | | | | | | | | | | | | | | | | | |
Debt Conversion [Line Items] | | | | | | | | | | | | | | | | | | | |
Purchase price of common stock, percent | | | | | | | | | 95% | | | | | | | | | | |
Convertible Debt | Yorkville Warrants | Third Convertible Debentures and Warrants | | | | | | | | | | | | | | | | | | | |
Debt Conversion [Line Items] | | | | | | | | | | | | | | | | | | | |
Aggregate principal amount | | | | | | | | $ 27,900,000 | | | | | | | | | | | |
Unamortized discount, percent | | | | | | | | 6% | | | | | | | | | | | |
Additional aggregate principal amount | | | | | | | | $ 53,200,000 | | | | | | | | | | | |
Convertible Debt | Yorkville Warrants | Fourth Convertible Debentures and Warrants | | | | | | | | | | | | | | | | | | | |
Debt Conversion [Line Items] | | | | | | | | | | | | | | | | | | | |
Aggregate principal amount | | | | | | $ 15,000,000 | | | | | | | | | | | | | |
Percentage of original issue discount | | | | | | 16.50% | | | | | | | | | | | | | |
Principal amount, exercised | | | | | | $ 30,000,000 | | | | | | | | | | | | | |
Debt Instrument, Convertible, Carrying Amount of Equity Component | | | | | | $ 30,000,000 | | | | | | | | | | | | | |
Convertible Debt | Yorkville Warrants | Common Stock | Third Convertible Debentures and Warrants | | | | | | | | | | | | | | | | | | | |
Debt Conversion [Line Items] | | | | | | | | | | | | | | | | | | | |
Purchase share price (in dollars per share) | $ / shares | | | | | | | | $ 12.42 | | | | | | | | | | | |
Convertible Debt | Yorkville Warrants | Common Stock | Fourth Convertible Debentures and Warrants | | | | | | | | | | | | | | | | | | | |
Debt Conversion [Line Items] | | | | | | | | | | | | | | | | | | | |
Purchase share price (in dollars per share) | $ / shares | | | | | | $ 12.42 | | | | | | | | | | | | | |
Convertible Debt | Yorkville Warrants | Common Stock | Minimum | Third Convertible Debentures and Warrants | | | | | | | | | | | | | | | | | | | |
Debt Conversion [Line Items] | | | | | | | | | | | | | | | | | | | |
Issuance of shares under legal settlement (in shares) | shares | | | | | | | | 2.2 | | | | | | | | | | | |
Convertible Debt | Yorkville Warrants | Common Stock | Minimum | Fourth Convertible Debentures and Warrants | | | | | | | | | | | | | | | | | | | |
Debt Conversion [Line Items] | | | | | | | | | | | | | | | | | | | |
Issuance of shares under legal settlement (in shares) | shares | | | | | | 1.2 | | | | | | | | | | | | | |
Yorkville | | | | | | | | | | | | | | | | | | | |
Debt Conversion [Line Items] | | | | | | | | | | | | | | | | | | | |
Pre-paid advance agreement, in cash advances | | | | | | | | | | | | | | | $ 50,000,000 | | | | |
Pre-paid advance agreement, in commitment amount | | | | | | | | | | | | | | | $ 300,000,000 | | | | |
Purchase price of common stock, percent | | | | | | | | | | | | | 110% | 95% | 120% | | | | |
Purchase share price (in dollars per share) | $ / shares | | | | | | | | | | | | | $ 11.50 | | $ 23 | | | | |
Pre-paid advance agreement, annual rate | | | | | | | | | | | | | | | | 5% | | | |
Pre-paid advance agreement, increase upon to default | | | | | | | | | | | | | | | | 15% | | | |
Maturity period (in months) | | | | | | | | | | | | | 15 months | | | | | | |
Yorkville | Fourth Convertible Debentures and Warrants | | | | | | | | | | | | | | | | | | | |
Debt Conversion [Line Items] | | | | | | | | | | | | | | | | | | | |
Interest Expense, Debt | | | | | | | | | | | | | | | | | $ 100,000 | | |
Yorkville | Third Pre Paid Advance Agreement | | | | | | | | | | | | | | | | | | | |
Debt Conversion [Line Items] | | | | | | | | | | | | | | | | | | | |
Proceeds from PPA, net of issuance costs | | | | | | | | | | | | $ 20,000,000 | | | | | | | |
Yorkville | Fourth Pre Paid Advance Agreement | | | | | | | | | | | | | | | | | | | |
Debt Conversion [Line Items] | | | | | | | | | | | | | | | | | | | |
Proceeds from PPA, net of issuance costs | | | | | | | | | | | $ 32,000,000 | | | | | | | | |
Proceeds from additional amount of prepaid advance agreement | | | | | | | | | | | 8,500,000 | | | | | | | | |
Proceeds from partial exercise prepaid advance agreement | | | | | | | | | | $ 5,300,000 | | | | | | | | | |
Net proceeds from exercise in prepaid advance agreement | | | | | | | | | | $ 5,000,000 | | | | | | | | | |
Aggregate fair value | | | | | | | | | | | 14,800,000 | | | | | | | | |
Yorkville | Fourth Pre Paid Advance Agreement | Additional Paid-in Capital | | | | | | | | | | | | | | | | | | | |
Debt Conversion [Line Items] | | | | | | | | | | | | | | | | | | | |
Amount allocated to convertible debt from option exercised | | | | | | | | | | | $ 2,300,000 | | | | | | | | |
Yorkville | Pre-Paid Advance Agreement | | | | | | | | | | | | | | | | | | | |
Debt Conversion [Line Items] | | | | | | | | | | | | | | | | | | | |
Redemption premium | | | | | | | | | | | | | | | | | 5% | | |
Yorkville | Fifth Pre Paid Advance Agreement | | | | | | | | | | | | | | | | | | | |
Debt Conversion [Line Items] | | | | | | | | | | | | | | | | | | | |
Proceeds from PPA, net of issuance costs | | | | | | | $ 12,500,000 | | | | | | | | | | | | |
Amount allocated to convertible debt from option exercised | | | | | | | 6,000,000 | | | | | | | | | | | | |
Proceed from commitment fee and the purchase price discount provided for prepaid advance agreement | | | | | | | $ 11,800,000 | | | | | | | | | | | | |
Yorkville | Fifth Pre Paid Advance Agreement | Maximum | | | | | | | | | | | | | | | | | | | |
Debt Conversion [Line Items] | | | | | | | | | | | | | | | | | | | |
Purchase share price (in dollars per share) | $ / shares | | | | | | | $ 11.50 | | | | | | | | | | | | |
Yorkville | Fifth Pre Paid Advance Agreement | Minimum | | | | | | | | | | | | | | | | | | | |
Debt Conversion [Line Items] | | | | | | | | | | | | | | | | | | | |
Purchase share price (in dollars per share) | $ / shares | | | | | | | $ 2.30 | | | | | | | | | | | | |
Yorkville | Sixth Pre Paid Advance Agreement | | | | | | | | | | | | | | | | | | | |
Debt Conversion [Line Items] | | | | | | | | | | | | | | | | | | | |
Proceeds from PPA, net of issuance costs | | | | | $ 21,300,000 | | | | | | | | | | | | | | |
Proceed from commitment fee and the purchase price discount provided for prepaid advance agreement | | | | | $ 20,000,000 | | | | | | | | | | | | | | |
Loss (Gain) on extinguishment of debt | | | | | | | | | | | | | | | | | $ 1,200,000 | | |
Other noncash income (expense) | | | | | | | | | | | | | | | | | 200,000 | | |
Yorkville | Seventh Pre Paid Advance Agreement | | | | | | | | | | | | | | | | | | | |
Debt Conversion [Line Items] | | | | | | | | | | | | | | | | | | | |
Proceeds from PPA, net of issuance costs | | | | $ 16,000,000 | | | | | | | | | | | | | | | |
Proceed from commitment fee and the purchase price discount provided for prepaid advance agreement | | | | $ 15,000,000 | | | | | | | | | | | | | | | |
Loss (Gain) on extinguishment of debt | | | | | | | | | | | | | | | | | 500,000 | | |
Other noncash income (expense) | | | | | | | | | | | | | | | | | 400,000 | | |
Yorkville | Eighth Pre Paid Advance Agreement | | | | | | | | | | | | | | | | | | | |
Debt Conversion [Line Items] | | | | | | | | | | | | | | | | | | | |
Proceeds from PPA, net of issuance costs | | | $ 17,500,000 | | | | | | | | | | | | | | | | |
Proceed from commitment fee and the purchase price discount provided for prepaid advance agreement | | | $ 16,500,000 | | | | | | | | | | | | | | | | |
Loss (Gain) on extinguishment of debt | | | | | | | | | | | | | | | | | 600,000 | | |
Other noncash income (expense) | | | | | | | | | | | | | | | | | 400,000 | | |
Yorkville | Ninth Pre Paid Advance Agreement | | | | | | | | | | | | | | | | | | | |
Debt Conversion [Line Items] | | | | | | | | | | | | | | | | | | | |
Proceeds from PPA, net of issuance costs | | $ 20,000,000 | | | | | | | | | | | | | | | | | |
Proceed from commitment fee and the purchase price discount provided for prepaid advance agreement | | $ 18,800,000 | | | | | | | | | | | | | | | | | |
Yorkville | Tenth Pre Paid Advance Agreement | | | | | | | | | | | | | | | | | | | |
Debt Conversion [Line Items] | | | | | | | | | | | | | | | | | | | |
Purchase share price (in dollars per share) | $ / shares | $ 2.30 | | | | | | | | | | | | | | | | | | |
Proceeds from PPA, net of issuance costs | $ 62,000,000 | | | | | | | | | | | | | | | | | | |
Proceeds from partial exercise prepaid advance agreement | 33,000,000 | | | | | | | | | | | | | | | | | | |
Proceed from commitment fee and the purchase price discount provided for prepaid advance agreement | 15,000,000 | | | | | | | | | | | | | | | | | | |
Loss (Gain) on extinguishment of debt | | | | | | | | | | | | | | | | | $ (7,600,000) | | |
Repayment of financing charges | $ 14,000,000 | | | | | | | | | | | | | | | | | | |
Yorkville | Tenth Pre Paid Advance Agreement | Common Stock | | | | | | | | | | | | | | | | | | | |
Debt Conversion [Line Items] | | | | | | | | | | | | | | | | | | | |
Issuance of shares under legal settlement (in shares) | shares | | | | | | | | | | | | | | | | | 7.4 | | |
Yorkville | Common Stock | | | | | | | | | | | | | | | | | | | |
Debt Conversion [Line Items] | | | | | | | | | | | | | | | | | | | |
Exchange cap, maximum ownership percent | | | | | | | | | | | | | | | | 19.90% | | | |
Yorkville | Common Stock | Pre-Paid Advance Agreement | | | | | | | | | | | | | | | | | | | |
Debt Conversion [Line Items] | | | | | | | | | | | | | | | | | | | |
Issuance of shares under legal settlement (in shares) | shares | | | | | | | | | | | | | | | | | | | 2.9 |
Yorkville | Common Stock | Fifth Pre Paid Advance Agreement | | | | | | | | | | | | | | | | | | | |
Debt Conversion [Line Items] | | | | | | | | | | | | | | | | | | | |
Issuance of shares under legal settlement (in shares) | shares | | | | | | | | | | | | | | | | | | 1.2 | |
Yorkville | Common Stock | Sixth Pre Paid Advance Agreement | | | | | | | | | | | | | | | | | | | |
Debt Conversion [Line Items] | | | | | | | | | | | | | | | | | | | |
Issuance of shares under legal settlement (in shares) | shares | | | | | | | | | | | | | | | | | 6.1 | | |
Yorkville | Common Stock | Seventh Pre Paid Advance Agreement | | | | | | | | | | | | | | | | | | | |
Debt Conversion [Line Items] | | | | | | | | | | | | | | | | | | | |
Issuance of shares under legal settlement (in shares) | shares | | | | | | | | | | | | | | | | | 2.9 | | |
Repayments on pre-paid purchase agreement | | | | | | | | | | | | | | | | | $ 7,200,000 | | |
Yorkville | Common Stock | Eighth Pre Paid Advance Agreement | | | | | | | | | | | | | | | | | | | |
Debt Conversion [Line Items] | | | | | | | | | | | | | | | | | | | |
Issuance of shares under legal settlement (in shares) | shares | | | | | | | | | | | | | | | | | 4.1 | | |
Repayments on pre-paid purchase agreement | | | | | | | | | | | | | | | | | $ 8,300,000 | | |
Yorkville | Common Stock | Ninth Pre Paid Advance Agreement | | | | | | | | | | | | | | | | | | | |
Debt Conversion [Line Items] | | | | | | | | | | | | | | | | | | | |
Issuance of shares under legal settlement (in shares) | shares | | | | | | | | | | | | | | | | | 1.3 | | |
Repayments on pre-paid purchase agreement | | | | | | | | | | | | | | | | | $ 17,500,000 | | |
Yorkville | Convertible Debt | | | | | | | | | | | | | | | | | | | |
Debt Conversion [Line Items] | | | | | | | | | | | | | | | | | | | |
Purchase share price (in dollars per share) | $ / shares | | | | | | | | | $ 2.30 | | | | | | | | | | |
Number of trading days | d | | | | | | | | | | | | | | | | | 5 | | |
Number of consecutive trading days | tradingDay | | | | | | | | | | | | | | | | | 7 | | |
Option, number of consecutive trading days | tradingDay | | | | | | | | | | | | | | | | | 3 | | |
Option, number of trading days | tradingDay | | | | | | | | | | | | | | | | | 10 | | |
Standby equity purchase agreement, exchange cap, maximum ownership amount | | | | | | | | | $ 4,100,000 | | | | | | | | | | |
Debt instrument, interest rate, increase (decrease) | | | | | | | | | 15% | | | | | | | | | | |
Debt instrument, term (in years) | | | | | | | | | | | | | | | | | 14 years | | |
Yorkville | Convertible Debt | Pre-Paid Advance Agreement | | | | | | | | | | | | | | | | | | | |
Debt Conversion [Line Items] | | | | | | | | | | | | | | | | | | | |
Redemption premium | | | | | | | | | | | | | | | | | 3% | | |
Yorkville | Convertible Debt | Common Stock | Third Convertible Debentures and Warrants | | | | | | | | | | | | | | | | | | | |
Debt Conversion [Line Items] | | | | | | | | | | | | | | | | | | | |
Issuance of shares under legal settlement (in shares) | shares | | | | | | | | | | | | | | | | | | | 4.2 |
Loss (Gain) on extinguishment of debt | | | | | | | | | | | | | | | | | $ 300,000 | | |
Yorkville | Convertible Debt | Common Stock | Fourth Convertible Debentures and Warrants | | | | | | | | | | | | | | | | | | | |
Debt Conversion [Line Items] | | | | | | | | | | | | | | | | | | | |
Loss (Gain) on extinguishment of debt | | | | | | | | | | | | | | | | | $ 800,000 | | |
Yorkville | August Convertible Debenture | Common Stock | Third Convertible Debentures and Warrants | | | | | | | | | | | | | | | | | | | |
Debt Conversion [Line Items] | | | | | | | | | | | | | | | | | | | |
Issuance of shares under legal settlement (in shares) | shares | | | | | | | | | | | | | | | | | 1.2 | | |
Yorkville | September Convertible Debenture | Common Stock | Fourth Convertible Debentures and Warrants | | | | | | | | | | | | | | | | | | | |
Debt Conversion [Line Items] | | | | | | | | | | | | | | | | | | | |
Issuance of shares under legal settlement (in shares) | shares | | | | | | | | | | | | | | | | | 3.5 | | |
Yorkville | July Convertible Debenture | | | | | | | | | | | | | | | | | | | |
Debt Conversion [Line Items] | | | | | | | | | | | | | | | | | | | |
Purchase share price (in dollars per share) | $ / shares | | | | | | | | | $ 11.50 | | | | | | | | | | |
Yorkville | July, August And September Convertible Debentures | | | | | | | | | | | | | | | | | | | |
Debt Conversion [Line Items] | | | | | | | | | | | | | | | | | | | |
Stated interest rate | | | | | | | | | 3% | | | | | | | | | | |