Significant Accounting Policies - Additional Information (Details)	3 Months Ended		12 Months Ended
	Mar. 31, 2022 USD ($) Segment $ / shares shares	Mar. 31, 2021 USD ($)	Dec. 31, 2021 USD ($) $ / shares	Aug. 24, 2021 USD ($) $ / shares
Accounting Policies [Line Items]
Common stock, par value | $ / shares	$ 0.0001		$ 0.0001
Goodwill	$ 121,107,000		$ 12,666,000	$ 0
Intangible assets	29,871,000		3,590,000	$ 0
Accounts receivable,Allowance for doubtful accounts	357,000		$ 357,000
Write-offs of accounts receivable	$ 0	$ 0
Concentration risk percentage	10.00%		10.00%
Percentage of ownership interest held by limited partners in the investment fund of an investor	20.00%		22.00%
Goodwill impairment	$ 0
Warranty allowance	4,595,000		$ 6,106,000
Product warranty accrual related to remaining cost of replacement for identified battery deficiency	$ 3,221,000		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	$ 74,000	156,000
Number of operating segment | Segment	1
Number of reportable segment | Segment	1
Assets	$ 599,938,000		579,683,000
Customer Relationships
Accounting Policies [Line Items]
Intangible assets	$ 18,590,000		3,290,000
ASU No. 2019-12
Accounting Policies [Line Items]
Change in Accounting Principle, Accounting Standards Update, Adopted [true false]	true
Change in Accounting Principle, Accounting Standards Update, Immaterial Effect [true false]	true
UNITED STATES
Accounting Policies [Line Items]
Assets	$ 7,990,000		$ 8,629,000
Minimum
Accounting Policies [Line Items]
Contractual terms for Hosted Services Revenue	1 month
Minimum | Customer Relationships
Accounting Policies [Line Items]
Intangible assets estimated useful life	10 years
Minimum | Developed Technology Rights
Accounting Policies [Line Items]
Intangible assets estimated useful life	1 year
Maximum
Accounting Policies [Line Items]
Contractual terms for Hosted Services Revenue	7 years
Maximum | Customer Relationships
Accounting Policies [Line Items]
Intangible assets estimated useful life	13 years
Maximum | Developed Technology Rights
Accounting Policies [Line Items]
Intangible assets estimated useful life	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	$ 0	15,000
Cost of Sales
Accounting Policies [Line Items]
Warranty expense	$ 284,000	$ 308,000