Stockholders' Equity - Components of Accumulated Other Comprehensive Income (Loss) (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Accumulated Other Comprehensive Income Loss [Line Items]
Total Accumulated Other Comprehensive Income (Loss)	$ 5	$ 942
Change	(610)	(937)
Total Accumulated Other Comprehensive Income (Loss)	(605)	5
Foreign Exchange Translation Adjustment [Member]
Accumulated Other Comprehensive Income Loss [Line Items]
Total Accumulated Other Comprehensive Income (Loss)	54	941
Change	(648)	(887)
Total Accumulated Other Comprehensive Income (Loss)	(594)	54
Unrealized Gain (Loss) on ST Investments [Member]
Accumulated Other Comprehensive Income Loss [Line Items]
Total Accumulated Other Comprehensive Income (Loss)	(49)	1
Change	38	(50)
Total Accumulated Other Comprehensive Income (Loss)	$ (11)	$ (49)