XML 44 R11.htm IDEA: XBRL DOCUMENT
v3.23.1

4. Accrued Expenses | 12 Months Ended
--- | ---
Dec. 31, 2022
Payables and Accruals [Abstract] |
4. Accrued Expenses | 4. Accrued Expenses The components of accrued expenses as of December 31, 2022 and 2021 are as follows (in thousands): Schedule of Accrued Expenses
|  | 2022 |  |  | 2021 |
|  | Years Ended December 31, |
|  | 2022 |  |  | 2021 |
Clinical trial |  | $ | 88 |  |  | $ | 358 |
Employee benefits |  |  | 475 |  |  |  | 33 |
Other |  |  | 5 |  |  |  | 22 |
Total accrued expenses |  | $ | 568 |  |  | $ | 413 |

X
- Definition The entire disclosure for accounts payable and accrued liabilities at the end of the reporting period. + 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 210.5-02.19(a),20,24) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_AccountsPayableAndAccruedLiabilitiesDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_PayablesAndAccrualsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration