Condensed Consolidated Statements of Cash Flows (Parenthetical) - USD ($) $ in Thousands	6 Months Ended
Jun. 30, 2025	Jun. 30, 2024
Statement of Cash Flows [Abstract]
Payments of costs related to the issuance of preferred stock and warrants	$ 0	$ 158

Payments of Preferred Stock, Preference Stock and Warrants Issuance Costs

No definition available.

Name:	owlt_PaymentsOfPreferredStockPreferenceStockAndWarrantsIssuanceCosts
Namespace Prefix:	owlt_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration