Borrowings - Narrative (Details)						1 Months Ended		2 Months Ended	3 Months Ended		6 Months Ended
	Apr. 10, 2023 USD ($)	Mar. 17, 2023 USD ($)	Feb. 01, 2023 USD ($)	Jan. 18, 2023 USD ($) trading_day $ / shares	Jul. 29, 2022 USD ($) interest_payment	Feb. 28, 2023 shares	Jan. 31, 2023 USD ($) shares	Apr. 30, 2023 shares	Jun. 30, 2023 USD ($) $ / shares shares	Jun. 30, 2022 USD ($)	Jun. 30, 2023 USD ($) $ / shares	Jun. 30, 2022 USD ($)	Dec. 31, 2022 USD ($) $ / shares	Dec. 29, 2022 USD ($)	Sep. 30, 2022 USD ($)	Aug. 05, 2022 $ / shares	Jun. 28, 2022 $ / shares	Jun. 27, 2022 $ / shares	Sep. 30, 2021 USD ($)	Jul. 06, 2021 USD ($)
Debt Instrument [Line Items]
Carrying Value									$ 232,614,000		$ 232,614,000		$ 175,831,000
Loss on debt extinguishment									$ 1,876,000	$ 0	$ 3,510,000	$ 0
Common stock, par value (in dollars per share) | $ / shares				$ 0.0001					$ 0.0001		$ 0.0001		$ 0.0001			$ 0.0001	$ 0.0001	$ 0.0001
Outstanding balance									$ 235,028,000		$ 235,028,000		$ 219,744,000
Long-term debt, current									$ 3,093,000		3,093,000		2,872,000
Yorkville Convertible Notes | Convertible Notes
Debt Instrument [Line Items]
Principal														$ 2,000,000
Converted instrument, shares issued (in shares) | shares							1,953,612
Yorkville Convertible Promissory Note February 2023
Debt Instrument [Line Items]
Carrying Value			$ 5,887,000
Yorkville Convertible Promissory Note February 2023 | Convertible Notes
Debt Instrument [Line Items]
Principal			5,000,000
Converted instrument, shares issued (in shares) | shares						3,879,706
Non-cash interest expense			$ 987,000
March 2023 Promissory Note
Debt Instrument [Line Items]
Carrying Value		$ 20,665,000
March 2023 Promissory Note | Convertible Notes
Debt Instrument [Line Items]
Principal		15,000,000
Converted instrument, shares issued (in shares) | shares								8,641,918
Non-cash interest expense		$ 5,965,000
April 2023 Promissory Note
Debt Instrument [Line Items]
Carrying Value	$ 25,319,000
April 2023 Promissory Note | Convertible Notes
Debt Instrument [Line Items]
Principal	15,000,000
Converted instrument, shares issued (in shares) | shares									8,471,793
Non-cash interest expense	$ 10,619,000
Embedded Derivatives - Yorkville Convertible Promissory Notes | Convertible Notes
Debt Instrument [Line Items]
(Loss) gain on change in fair value of derivatives - related party									$ 8,818,000		6,922,000
2021 Convertible Notes Payable
Debt Instrument [Line Items]
Interest payable - related party									0		0		0
2021 Convertible Notes Payable | Convertible Notes
Debt Instrument [Line Items]
Principal																				$ 100,000,000
Carrying Value									91,862,000		91,862,000		82,950,000
Embedded conversion feature									3,976,000		3,976,000		918,000
Gain (loss) on beneficial conversion feature									(2,176,000)	3,978,000	(2,942,000)	11,673,000
Non-cash interest expense - related party									3,009,000	2,558,000	5,970,000	4,731,000
Outstanding balance									$ 112,442,000		$ 112,442,000		$ 109,167,000
Coupon Interest Rate									40.00%		40.00%		25.00%
AFG Convertible Notes Payable
Debt Instrument [Line Items]
Carrying Value				$ 16,623,000
Interest payable - related party									$ 0		$ 0
Non-cash interest expense - related party				2,873,000
AFG Convertible Notes Payable | Convertible Notes
Debt Instrument [Line Items]
Carrying Value									50,053,000		50,053,000
Embedded conversion feature				$ 6,451,000					38,791,000		38,791,000
Gain (loss) on beneficial conversion feature									22,068,000		32,340,000
Conversion price per unit (in dollars per share) | $ / shares				$ 1.67
Percentage of stock price				130.00%
Threshold trading days | trading_day				20
Consecutive trading days | trading_day				30
Redemption percentage				100.00%
Non-cash interest expense - related party									1,129,000		2,098,000
Outstanding balance									$ 15,390,000		$ 15,390,000
Coupon Interest Rate				40.00%					40.00%		40.00%
AFG Convertible Notes Payable | Convertible Notes | Affiliated Entity
Debt Instrument [Line Items]
Principal							$ 13,750,000
Paid-In-Kind Interest Rate							26.50%
Senior Secured Term Loan
Debt Instrument [Line Items]
Carrying Value									$ 83,503,000		$ 83,503,000		$ 81,616,000
Senior Secured Term Loan | SOFR | Minimum
Debt Instrument [Line Items]
Variable rate spread					0.2616%
Senior Secured Term Loan | NYFRB | Minimum
Debt Instrument [Line Items]
Variable rate spread					0.50%
Senior Secured Term Loan | Secured Debt
Debt Instrument [Line Items]
Principal					$ 100,000,000
Carrying Value									83,503,000		83,503,000		81,616,000
Non-cash interest expense - related party									4,425,000		8,713,000
Outstanding balance					$ 100,000				100,000,000		100,000,000		100,000,000
Number of days prior to current maturity date					91 days
Minimum prepayment amount					$ 500,000,000
Repayment applicable treasury rate					0.50%
Number of immediately following interest payments required to be escrowed | interest_payment					4
Interest escrowed for loan									$ 11,550,000		$ 11,550,000
Maximum borrowing capacity under agreement					$ 15,000,000
Senior Secured Term Loan | SOFR Loans
Debt Instrument [Line Items]
Variable rate spread					8.50%
Coupon Interest Rate									14.00%		14.00%
Senior Secured Term Loan | ABR Loans
Debt Instrument [Line Items]
Stated interest rate					7.50%
Equipment financing facility
Debt Instrument [Line Items]
Carrying Value									$ 7,196,000		$ 7,196,000		8,577,000
Non-cash interest expense - related party									292,000	$ 205,000	609,000	$ 424,000
Remaining borrowing capacity															$ 13,784,000
Long-term line of credit									7,196,000		7,196,000		8,577,000
Long-term debt, current									3,093,000		3,093,000		2,872,000
Equipment financing facility | Line of Credit
Debt Instrument [Line Items]
Carrying Value									7,196,000		7,196,000		8,577,000
Outstanding balance									7,196,000		7,196,000		$ 8,577,000
Coupon Interest Rate															16.20%				14.30%
Maximum borrowing capacity																			$ 25,000,000
Yorkville Convertible Promissory Note | Convertible Notes
Debt Instrument [Line Items]
Loss on debt extinguishment									$ 1,876,000		$ 3,510,000