Summary of Significant Accounting Policies - Narrative (Details) $ / shares in Units, $ in Thousands	12 Months Ended
Dec. 31, 2021 USD ($) segment $ / shares	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Disaggregation of Revenue [Line Items]
Number of reportable segments \| segment	1
Number of operating segments \| segment	1
Revenue	$ 33,578	$ 18,904	$ 11,413
Cost to obtain a contract	2,200	300	0
Deferred revenue recognized	100	500	100
Deferred revenue	200
Inventory write down	808	797	$ 4,764
Cash, cash equivalents, and restricted cash, insured amount	184,200	12,500
Cash, cash equivalents, and restricted cash, uninsured amount	$ 500	100
Threshold period past due	90 days
Deferred transaction cost		$ 3,400
Expected dividend rate	0.00%
Promissory note, recourse percentage	0.50
Promissory note, non-recourse percentage	0.50
Private Placement Warrants
Disaggregation of Revenue [Line Items]
Class of warrant or right, redemption terms, threshold common stock price (in dollars per share) \| $ / shares	$ 18.00
Number of consecutive trading days	20 days
Number of trading-day period	30 days
Maximum
Disaggregation of Revenue [Line Items]
Estimated Useful Life (in years)	8 years
Minimum
Disaggregation of Revenue [Line Items]
Estimated Useful Life (in years)	3 years
Cost of Goods and Service, Product and Service Benchmark \| Supplier Concentration Risk \| Unnamed Supplier
Disaggregation of Revenue [Line Items]
Concentration risk, percentage	20.00%	15.00%	12.00%
Accounts Payable \| Supplier Concentration Risk \| Unnamed Supplier
Disaggregation of Revenue [Line Items]
Concentration risk, percentage	55.00%	23.00%
Customer D \| Revenue from Contract with Customer Benchmark \| Customer Concentration Risk
Disaggregation of Revenue [Line Items]
Concentration risk, percentage		11.00%	22.00%
Transferred over Time
Disaggregation of Revenue [Line Items]
Revenue	$ 0

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Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as current.

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Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.

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Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term.

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Threshold period past due for trade accounts receivable to write off as uncollectible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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