Equity Incentive Plans - Summary of Total Stock-based Compensation Expense Recorded Related to Share-based Payment Awards (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Total stock-based compensation	$ 100	$ 54
Research and Development Expense [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Total stock-based compensation	43	22
Selling and Marketing Expense [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Total stock-based compensation	7
General and Administrative Expense [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Total stock-based compensation	$ 50	$ 32