Fair Value Measurements - Summary of Assets and Liabilities Measured at Fair Value on Recurring Basis (Detail) - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
Assets:
Fair Value	$ 33,009	$ 37,659
U.S. Treasury and Government Agencies [Member]
Assets:
Fair Value	6,509	6,718
Corporate Debt [Member]
Assets:
Fair Value	16,372	19,302
Asset-Backed Securities [Member]
Assets:
Fair Value	8,728	10,438
Yankee CD [Member]
Assets:
Fair Value	1,400	1,201
Fair Value, Recurring [Member]
Assets:
Total assets	43,836	45,495
Fair Value, Recurring [Member] \| Money Market Funds [Member]
Assets:
Cash equivalents	10,327	7,836
Fair Value, Recurring [Member] \| U.S. Treasury and Government Agencies [Member]
Assets:
Fair Value	6,509	6,718
Fair Value, Recurring [Member] \| Corporate Debt [Member]
Assets:
Cash equivalents		19,302
Fair Value	16,372
Fair Value, Recurring [Member] \| Asset-Backed Securities [Member]
Assets:
Fair Value	8,728	10,438
Fair Value, Recurring [Member] \| Yankee CD [Member]
Assets:
Cash equivalents	500
Fair Value	1,400	1,201
Fair Value, Recurring [Member] \| Level 1 [Member]
Assets:
Total assets	16,338	14,054
Fair Value, Recurring [Member] \| Level 1 [Member] \| Money Market Funds [Member]
Assets:
Cash equivalents	10,327	7,836
Fair Value, Recurring [Member] \| Level 1 [Member] \| U.S. Treasury and Government Agencies [Member]
Assets:
Fair Value	6,011	6,218
Fair Value, Recurring [Member] \| Level 2 [Member]
Assets:
Total assets	27,498	31,441
Fair Value, Recurring [Member] \| Level 2 [Member] \| U.S. Treasury and Government Agencies [Member]
Assets:
Fair Value	498	500
Fair Value, Recurring [Member] \| Level 2 [Member] \| Corporate Debt [Member]
Assets:
Cash equivalents		19,302
Fair Value	16,372
Fair Value, Recurring [Member] \| Level 2 [Member] \| Asset-Backed Securities [Member]
Assets:
Fair Value	8,728	10,438
Fair Value, Recurring [Member] \| Level 2 [Member] \| Yankee CD [Member]
Assets:
Cash equivalents	500
Fair Value	$ 1,400	$ 1,201