Prepaid and Other Current Assets (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Prepaid Expense and Other Assets, Current [Abstract]
Prepaid insurance	$ 397	$ 805
Interest receivable	1,252	1,530
Exclusivity fees	0	3,250
Prepaid engineering	2,275	409
Prepaid other	1,937	863
Prepaid expenses and other current assets	5,861	$ 6,857
Prepaid fees	$ 3,300

Exclusivity Fees, Current

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- Definition

Prepaid Engineering

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No definition available.

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- Definition

Prepaid Fees, Current

+ References

No definition available.

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- Definition

Carrying amount as of the balance sheet date of current interest earned but not received. Also called accrued interest or accrued interest receivable. For classified balance sheets, represents the current amount receivable, that is amounts expected to be collected within one year or the normal operating cycle, if longer.

+ References

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- Definition

Amount of asset related to consideration paid in advance for other costs that provide economic benefits within a future period of one year or the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 340
-SubTopic 10
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- Definition

Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer.

+ References

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- References

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- Definition

Amount of asset related to consideration paid in advance for insurance that provides economic benefits within a future period of one year or the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 340
-SubTopic 10
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-URI http://asc.fasb.org/extlink&oid=6387103&loc=d3e6435-108320

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