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Accrued Expenses and Other Current Liabilities
 6 Months Ended
Jun. 30, 2022
Payables and Accruals [Abstract]  
Accrued Expenses and Other Current Liabilities Accrued Expenses and Other Current Liabilities
Accrued expenses and other current liabilities consist of the following:
June 30,
2022		December 31, 2021
Accrued payroll and benefits$29,770 $21,752 
Accrued legal contingencies14,808 16,881 
Engineering, design and testing services received not invoiced14,140 6,620 
Deposits from customers3,975 4,354 
Due to affiliates6,621 6,673 
Obligation to issue registered shares of Class A Common Stock (1)
— 12,635 
Other current liabilities23,078 21,597 
Total accrued expenses and other current liabilities$92,392 $90,512 
(1) The obligation to issue registered shares of Class A Common Stock was reclassified to Commitment to issue Class A Common Stock upon the adoption of ASU 2020-06 (see Note 7, Fair Value of Financial Instruments).