Nature of Business, Basis of Presentation and Going Concern Uncertainty - Additional Information (Detail) - USD ($) |
3 Months Ended | 6 Months Ended | |||||||
|---|---|---|---|---|---|---|---|---|---|
Jun. 30, 2023 |
Mar. 31, 2023 |
Jun. 30, 2022 |
Mar. 31, 2022 |
Jun. 30, 2023 |
Jun. 30, 2022 |
Dec. 31, 2022 |
Apr. 26, 2022 |
Dec. 22, 2021 |
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| Nature Of Business And Basis Of Presentation [LineItems] | |||||||||
| Accumulated deficit | $ (153,167,000) | $ (153,167,000) | $ (135,936,000) | ||||||
| Net loss | (8,239,000) | $ (8,992,000) | $ (10,468,000) | $ (7,573,000) | (17,231,000) | $ (18,041,000) | |||
| Cash and cash equivalents | 25,071,000 | 25,071,000 | 24,771,000 | ||||||
| Working capital | 22,900,000 | 22,900,000 | |||||||
| Net cash used in operating activities | 14,979,000 | $ 15,119,000 | |||||||
| Convertible debt principal amount | 15,000,000 | $ 15,000,000 | $ 15,000,000 | ||||||
| SVB [Member] | Contingent Convertible Debt Agreement [Member] | |||||||||
| Nature Of Business And Basis Of Presentation [LineItems] | |||||||||
| Convertible debt principal amount | $ 25,000,000 | ||||||||
| SVB [Member] | Contingent Convertible Debt Agreement [Member] | Non-Convertible Term Loans [Member] | |||||||||
| Nature Of Business And Basis Of Presentation [LineItems] | |||||||||
| Convertible debt principal amount | $ 10,000,000 | ||||||||
| Loan agreement expiration date | Apr. 30, 2023 | ||||||||
| Loan amount drawn | $ 0 | $ 0 | |||||||
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- Definition Nature of business and basis of presentation. No definition available.
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- Definition The capital of a business which is used in its day-to-day trading operations, calculated as the current assets minus the current liabilities. No definition available.
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- Definition Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes 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. Excludes cash and cash equivalents within disposal group and discontinued operation. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Face (par) amount of debt instrument at time of issuance. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Date the credit facility terminates, in YYYY-MM-DD format. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of accumulated undistributed earnings (deficit). Reference 1: http://www.xbrl.org/2003/role/exampleRef
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