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Composition of Certain Financial Statement Captions | 12 Months Ended
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Dec. 31, 2021
Composition Of Certain Financial Statement Captions [Abstract] |
Composition of Certain Financial Statement Captions |
6. | Composition of Certain Financial Statement Captions
Other Current Assets As of December 31, 2021 and 2020, other current assets were comprised of the following (in thousands):
|  | December 31, |
|  | 2021 |  |  | 2020 |
Prepaid services |  | $ | 622 |  |  | $ | 131 |
Prepaid insurance |  |  | 695 |  |  |  | 639 |
Other |  |  | 7 |  |  |  | 59 |
|  | $ | 1,324 |  |  | $ | 829 |
Property and Equipment, net As of December 31, 2021 and 2020, property and equipment, net, were comprised of the following (in thousands):
|  | December 31, |
|  | 2021 |  |  | 2020 |
Office and computer equipment |  | $ | 1,231 |  |  | $ | 1,525 |
Leasehold improvements |  |  | 1,661 |  |  |  | 1,682 |
|  |  | 2,892 |  |  |  | 3,207 |
Less accumulated depreciation |  |  | (1,415 | ) |  |  | (1,387 | )
|  | $ | 1,477 |  |  | $ | 1,820 |
Depreciation expense totaled $0.4 million for each of the years ended December 31, 2021 and 2020, respectively. Intangible Assets, net As of December 31, 2021, intangible assets included the net book value of costs incurred for software upgrades. Accounts Payable and Accrued Expenses As of December 31, 2021 and 2020, accounts payable and accrued expenses were comprised of the following (in thousands):
|  | December 31, |
|  | 2021 |  |  | 2020 |
Accounts payable |  | $ | 2,611 |  |  | $ | 789 |
Accrued payroll and bonus |  |  | 781 |  |  |  | 738 |
Accrued professional fees |  |  | 189 |  |  |  | 276 |
Accrued vacation and compensation |  |  | 252 |  |  |  | 245 |
Finance lease obligation -- current |  |  | — |  |  |  | 10 |
Other current liabilities |  |  | 122 |  |  |  | 23 |
Accrued R&D studies |  |  | 196 |  |  |  | — |
|  | $ | 4,151 |  |  | $ | 2,081 |

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- Definition Composition of Certain Financial Statement Captions [Abstract] + References No definition available. + Details
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- Definition The entire disclosure for supplemental balance sheet disclosures, including descriptions and amounts for assets, liabilities, and equity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -URI http://asc.fasb.org/topic&trid=2122208 + Details
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