Income Taxes - Components of Net Deferred Tax Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Deferred tax assets:
Net operating losses	$ 12,918	$ 3,515
Intangibles	75	47
Tax credit carryforwards	1,648	187
Derivative	1,577
Stock based compensation	1,003
Reserves and accruals	804	257
License fees	7,716	252
Other	70	299
Total deferred tax assets before valuation allowance	25,811	4,557
Less: valuation allowance	(25,748)	(4,343)
Total deferred tax assets	63	214
Deferred tax liabilities:
Operating lease right-of-use assets	$ (63)	$ (214)

Deferred tax assets license fees.

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Deferred Tax Liabilities, Operating Lease Right-of-Use Assets

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from derivative instruments.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from intangible assets including goodwill.

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Amount, before allocation of a valuation allowances, of deferred tax assets attributable to deductible tax credit carryforwards including, but not limited to, research, foreign, general business, alternative minimum tax, and other deductible tax credit carryforwards.

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Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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