Consolidated Statements of Income and Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Statement of Comprehensive Income [Abstract]
Revenue	$ 70,613	$ 65,645
Cost of revenue	32,635	31,027
Gross profit	37,978	34,618
Operating expenses
Research and development	8,452	7,180
Selling, general and administrative	10,449	9,413
Total operating expenses	18,901	16,593
Income from operations	19,077	18,025
Other income - net	3,095	2,112
Income before income taxes	22,172	20,137
Income tax provision	2,991	2,328
Net income	$ 19,181	$ 17,809
Net income per share:
Basic	$ 1.03	$ 0.97
Diluted	$ 1.01	$ 0.95
Weighted-average shares outstanding used in computing net income per share:
Basic	18,521,997	18,316,464
Diluted	18,928,648	18,657,220
Comprehensive income:
Net income	$ 19,181	$ 17,809
Other comprehensive (loss) income, net of tax:
Unrealized gain on available-for-sale debt securities, net of tax benefit ( expense) of $ 5 and ($44) for years ended December 31, 2024 and 2023, respectively	(17)	165
Comprehensive income	$ 19,164	$ 17,974