Equity Incentive and Other Plans - Stock Option Activity (Details) $ / shares in Units, $ in Thousands		3 Months Ended			12 Months Ended
	Feb. 04, 2022 USD ($) Days shares	Dec. 31, 2022 USD ($) $ / shares shares		Sep. 30, 2022 $ / shares shares	Dec. 31, 2022 USD ($) $ / shares shares		Dec. 31, 2021 USD ($) $ / shares shares
Number of Shares
Granted (in shares)					0
Performance-based awards
Number of Shares
Outstanding (in shares)					1,458,000
Outstanding (in shares)	1,458,000						1,458,000
Market-based awards
Number of Shares
Outstanding (in shares)					1,458,000
Outstanding (in shares)	1,458,000						1,458,000
Weighted Average Remaining Contractual Term (in years)
Market capitalization target, threshold consecutive days	30 days
2021 Plan
Number of Shares
Outstanding (in shares)					0
Granted (in shares)				102,000	102,000
Exercised (in shares)					0
Forfeited or expired (in shares)					(1,000)
Outstanding (in shares)		101,000			101,000		0
Vested and exercisable (in shares)		1,000			1,000
Weighted Average Exercise Price
Outstanding (in usd per share) | $ / shares					$ 0
Granted (in usd per share) | $ / shares				$ 1.98	1.98
Exercised (in usd per share) | $ / shares					0
Forfeited or expired (in usd per share) | $ / shares					1.98
Outstanding (in usd per share) | $ / shares		$ 1.98			1.98		$ 0
Vested and exercisable (in usd per share) | $ / shares		$ 1.83			$ 1.83
Aggregate Intrinsic Value
Outstanding | $		$ 0			$ 0		$ 0
Vested and exercisable | $		0			$ 0
Weighted Average Remaining Contractual Term (in years)
Outstanding					9 years 7 months 9 days
Vested and exercisable					6 years 1 month 24 days
2021 Plan | Market-based awards
Weighted Average Remaining Contractual Term (in years)
Market capitalization target | $		$ 1,000,000
2018 Plan
Number of Shares
Outstanding (in shares)					3,851,000		1,893,000
Granted (in shares)							2,567,000
Exercised (in shares)					(148,000)		(334,000)
Forfeited or expired (in shares)					(272,000)		(275,000)
Outstanding (in shares)		3,431,000	[1]		3,431,000	[1]	3,851,000
Vested and exercisable (in shares)		1,725,000			1,725,000
Weighted Average Exercise Price
Outstanding (in usd per share) | $ / shares					$ 1.77		$ 1.01
Granted (in usd per share) | $ / shares							2.13
Exercised (in usd per share) | $ / shares					1.09		1.07
Forfeited or expired (in usd per share) | $ / shares					3.95		1.13
Outstanding (in usd per share) | $ / shares		$ 1.60	[1]		1.60	[1]	$ 1.77
Vested and exercisable (in usd per share) | $ / shares		$ 1.24			$ 1.24
Aggregate Intrinsic Value
Outstanding | $		$ 75	[1]		$ 75	[1]	$ 24,018
Vested and exercisable | $		$ 75			$ 75
Weighted Average Remaining Contractual Term (in years)
Outstanding					6 years 9 months 29 days	[1]	8 years 10 months 6 days
Vested and exercisable					6 years 3 months 25 days
2018 Plan | Service-based awards
Number of Shares
Outstanding (in shares)
Outstanding (in shares)		2,375,000			2,375,000
2018 Plan | Performance-based awards
Number of Shares
Outstanding (in shares)
Outstanding (in shares)		0			0
2018 Plan | Market-based awards
Number of Shares
Outstanding (in shares)
Outstanding (in shares)		1,056,000			1,056,000
Weighted Average Remaining Contractual Term (in years)
Market capitalization target | $	$ 1,000,000
Market capitalization target, threshold days | Days	20
Market capitalization target, threshold consecutive days	30 days

[1] Includes 2,375, 0, and 1,056 awards accounted for as service-based, performance-based, and market-based options, respectively, that are vested, that the Company currently deems probable of vesting, or in the case of market-based options, that the Company is expensing so long as the respective service conditions are met. The market-based options will vest only if the price of the Company's common stock reaches a $1,000,000 market capitalization target for any 20 days during a 30-day period on or before the fourth anniversary of the closing of the Merger.