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Summary of Significant Accounting Policies - Additional Information (Details) - USD ($) $ in Thousands | 3 Months Ended |  |
--- | --- | --- | ---
Mar. 31, 2023 | Mar. 31, 2022 | Dec. 31, 2022 | Dec. 31, 2021
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Cash and cash equivalents and restricted cash | $ 25,361 | $ 16,513 | $ 43,174 | $ 32,798
Description of lease | For lease classification determination, Management continues to use (i) 75% or greater to determine whether the lease term is a major part of the remaining economic life of the underlying asset and (ii) 90% or greater to determine whether the present value of the sum of lease payments is substantially all of the fair value of the underlying asset. |  |  |
Reserve for inventory | $ 100 |  | 100 |
Restricted cash | 100 |  | 100 |
Refundable deposit | $ 5,000 |  | $ 5,000 |
Restricted Cash, Current, Statement of Financial Position [Extensible Enumeration] | Other Assets, Current |  | Other Assets, Current |
Excess and obsolete inventory | $ 30 | $ 379 |  |
Other Current Assets |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Inventory | 1,300 |  | $ 1,400 |
Other Long-term Assets |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Refundable deposit | 5,000 |  |  |
Perceptive Term Loan Facility |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Cash and cash equivalents and restricted cash | 25,300 |  |  |
Aggregate principal amount outstanding | $ 30,000 |  |  |

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- Definition Amount of cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage. Excludes amount for disposal group and discontinued operations. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3521-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 4 -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3044-108585 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 8 -URI https://asc.fasb.org/extlink&oid=126999549&loc=SL98516268-108586 + Details
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