CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Revenues [Abstract]
Total revenues	$ 179,465	$ 165,835	$ 148,549
Costs and Expenses [Abstract]
Costs of revenues	54,144	51,749	47,907
Research and development	53,566	50,736	56,126
Selling, general, and administrative	69,924	62,216	45,338
Amortization of acquired intangible assets	896	1,285	1,270
Interest and other expense (income), net	(5,644)	(5,020)	(2,562)
Income before income tax expense	6,579	4,869	470
Income tax expense	(2,522)	(1,764)	(3,899)
Net income (loss)	4,057	3,105	(3,429)
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent, Alternative [Abstract]
Foreign currency translation adjustments, net of tax	(1,143)	148	(1,493)
Change in unrealized gain (loss) related to available-for-sale debt securities, net of tax	(1)	15	7
Total other comprehensive (income) loss	(1,144)	163	(1,486)
Comprehensive income (loss)	$ 2,913	$ 3,268	$ (4,915)
Net income (loss) per share:
Basic	$ 0.11	$ 0.08	$ (0.09)
Diluted	$ 0.1	$ 0.08	$ (0.09)
Weighted average common shares used to calculate net income (loss) per share:
Basic	38,602	38,015	37,309
Diluted	39,047	38,937	37,309
Analytics
Revenues [Abstract]
Total revenues	$ 169,253	$ 152,085	$ 130,480
Integrated Yield Ramp
Revenues [Abstract]
Total revenues	$ 10,212	$ 13,750	$ 18,069