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Significant Accounting Policies - Additional Information (Details)
12 Months Ended
Aug. 24, 2021
USD ($)
$ / shares
Dec. 31, 2021
USD ($)
Segment
$ / shares
shares
Dec. 31, 2020
USD ($)
$ / shares
Accounting Policies [Line Items]      
Cash proceeds, net of fees and transaction costs $ 444,647,000    
Proceeds from issuance of common stock 155,000,000    
Common stock, par value | $ / shares   $ 0.0001 $ 0.0001
Goodwill 0 $ 12,666,000 $ 4,162,000
Intangible assets $ 0 3,590,000  
Accounts receivable,Allowance for doubtful accounts   357,000 131,000
Write-offs of accounts receivable   $ 0 $ 381,000
Concentration risk percentage   10.00% 10.00%
Percentage of ownership interest held by limited partners in the investment fund of an investor   22.00% 32.00%
Goodwill impairment   $ 0 $ 0
Warranty allowance   6,106,000 3,336,000
Increased provision for warranty allowance   6,430,000  
Product warranty accrual related to remaining cost of replacement for identified battery deficiency   $ 4,732,000 3,166,000
Number of days due for payments of credit card, check or automated clearing house   30 days  
Warranty period on hardware devices   1 year  
Estimated average in service life of hub device   4 years  
Advertising expenses   $ 801,000 663,000
Number of operating segment | Segment   1  
Number of reportable segment | Segment   1  
Assets   $ 579,683,000 103,849,000
Customer Relationships      
Accounting Policies [Line Items]      
Intangible assets estimated useful life   13 years  
Developed Technology Rights      
Accounting Policies [Line Items]      
Intangible assets estimated useful life   1 year  
UNITED STATES      
Accounting Policies [Line Items]      
Assets   $ 8,629,000 7,941,000
Minimum      
Accounting Policies [Line Items]      
Contractual terms for Hosted Services Revenue   1 month  
Maximum      
Accounting Policies [Line Items]      
Contractual terms for Hosted Services Revenue   7 years  
Class A Common Stock      
Accounting Policies [Line Items]      
Common stock, par value | $ / shares $ 0.0001    
Common stock shares converted | shares   4,884.6000  
General and Administrative Expenses      
Accounting Policies [Line Items]      
Provision for doubtful accounts   $ 226,000 512,000
Repairs and maintenance expense   15,000 18,000
Cost of Sales      
Accounting Policies [Line Items]      
Warranty expense   $ 8,305,000 $ 3,694,000