v3.26.1
Description of Business and Basis of Presentation (Details Narrative) - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Customer deposits
$ 34,880
$ 15,426
X
- Definition
Customers deposit.
+ References
No definition available.
+ Details
Name:
BRUN_CustomersDepositCurrent
Namespace Prefix:
BRUN_
Data Type:
xbrli:monetaryItemType
Balance Type:
credit
Period Type:
instant
X
- References
No definition available.
+ Details
Name:
us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract
Namespace Prefix:
us-gaap_
Data Type:
xbrli:stringItemType
Balance Type:
na
Period Type:
duration