Other Non-Current Liabilities (Tables)

3 Months Ended

12 Months Ended

Mar. 31, 2022

Dec. 31, 2021

Other Non-Current Liabilities [Abstract]

Schedule of other non-current liabilities

	December 31, 2021		March 31, 2022
Product warranty – non-current	$	37,536	$	34,011
Deferred subsidy income – non-current		2,286		2,222
Total	$	39,822	$	36,233

	December 31, 2020		December 31, 2021
Payable to exiting investors	$	94,316	$	—
Product warranty – non-current		15,060		37,536
Deferred subsidy income- non-current		1,221		2,286
Total	$	110,597	$	39,822