XML 25 R15.htm IDEA: XBRL DOCUMENT
v3.25.2

Accrued Expenses and Other Current Liabilities | 6 Months Ended
--- | ---
Jun. 30, 2025
Payables and Accruals [Abstract] |
Accrued Expenses and Other Current Liabilities | Accrued Expenses and Other Current Liabilities (in thousands):
| June 30, 2025 |  | December 31, 2024
Accrued manufacturing and clinical expenses | $ | 2,302 |  |  | $ | 3,326 |
Value Added Tax payable | — |  |  | 2,416 |
Accrued bonus | 709 |  |  | 1,774 |
Accrued payroll and employee benefits | 950 |  |  | 656 |
Accrued professional fees | 2,176 |  |  | 737 |
Accrued other 1 | 1,227 |  |  | 616 |
Total | $ | 7,364 |  |  | $ | 9,525 |
1 Included in Accrued other as of June 30, 2025 is a provision of $0.4 million for severance costs for the reduction in workforce following the Company's announcement in January 2025 to prioritize its pipeline.

X
- Definition The entire disclosure of the components of accrued liabilities and other current liabilities. + References No definition available. + Details
Name: | brns_AccruedLiabilitiesAndOtherCurrentLiabilitiesTextBlock
Namespace Prefix: | brns_
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