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Balance Sheet Components (Tables) | 12 Months Ended
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Dec. 31, 2020
Balance Sheet Related Disclosures [Abstract] |
Schedule of Prepaid Expenses and Other Non-current Assets | Prepaid expenses and other non-current assets consisted of the following (in thousands):
|  | December 31, |
|  | 2020 |  |  | 2019 |
Prepaid clinical and research expenses |  | $ | — |  |  | $ | 1,462 |
Deferred offering costs |  |  | — |  |  |  | 894 |
Deposits |  |  | 608 |  |  |  | 58 |
Total prepaid expenses and other non-current assets |  | $ | 608 |  |  | $ | 2,414 |
Schedule of Property and Equipment and Depreciation Calculated using Straight-line Method over useful Life of Asset | Depreciation is calculated using the straight-line method over the useful lives of the assets as follows:
Asset |  | Estimated useful life
Manufacturing and laboratory equipment |  | Three to five years
Computer hardware |  | Three to five years
Office furniture and equipment |  | Three to five years
Property and equipment, net, consisted of the following (in thousands):
|  | December 31, |
|  | 2020 |  |  | 2019 |
Manufacturing and laboratory equipment |  | $ | 2,179 |  |  | $ | 1,863 |
Computer hardware |  |  | 28 |  |  |  | 28 |
Office furniture and equipment |  |  | 28 |  |  |  | 28 |
Leasehold improvement |  |  | 234 |  |  |  | — |
Construction in progress |  |  | 611 |  |  |  | 795 |
Total property and equipment, at cost |  |  | 3,080 |  |  |  | 2,714 |
Less: accumulated depreciation |  |  | (1,134 | ) |  |  | (739 | )
Property and equipment, net |  | $ | 1,946 |  |  | $ | 1,975 |
Schedule of Other Current Liabilities | Other current liabilities consisted of the following (in thousands):
|  | December 31, |
|  | 2020 |  |  | 2019 |
Salaries and benefits |  | $ | 2,302 |  |  | $ | 2,044 |
Professional services |  |  | 425 |  |  |  | 946 |
Deferred rent |  |  | 27 |  |  |  | — |
Other |  |  | 374 |  |  |  | 134 |
Total other current liabilities |  | $ | 3,128 |  |  | $ | 3,124 |

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- Definition Tabular disclosure of the amounts paid in advance for capitalized costs that will be expensed with the passage of time or the occurrence of a triggering event, and will be charged against earnings within one year or the normal operating cycle, if longer; the aggregate carrying amount of current assets, not separately presented elsewhere in the balance sheet; and other deferred costs. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.17) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(13)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 + Details
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