Condensed Consolidated Statements of Income and Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Statement of Comprehensive Income [Abstract]
Revenue	$ 16,779	$ 15,298	$ 33,090	$ 29,440
Cost of revenue	8,070	7,071	15,585	13,568
Gross profit	8,709	8,227	17,505	15,872
Operating expenses
Research and development	1,835	1,431	3,918	3,543
Selling, general and administrative	2,604	2,663	5,125	4,893
Total operating expenses	4,439	4,094	9,043	8,436
Income from operations	4,270	4,133	8,462	7,436
Other income, net	659	475	1,432	954
Income before income taxes	4,929	4,608	9,894	8,390
Provision for income taxes	593	558	1,178	964
Net income	$ 4,336	$ 4,050	$ 8,716	$ 7,426
Net income per share:
Basic	$ 0.23	$ 0.22	$ 0.47	$ 0.41
Diluted	$ 0.23	$ 0.22	$ 0.46	$ 0.40
Weighted average shares outstanding used in computing net income per share
Basic	18,464,483	18,294,629	18,452,766	18,263,029
Diluted	18,866,543	18,605,638	18,906,959	18,590,921
Comprehensive income:
Net Income (Loss)	$ 4,336	$ 4,050	$ 8,716	$ 7,426
Other comprehensive income (loss), net of tax:
Unrealized gain (loss) on available-for-sale debt securities, net of tax (expense) benefit of ($5), $8, ($6) and $0 for the three and six months ended June 30, 2024 and 2023, respectively	17	(31)	21	1
Comprehensive income	$ 4,353	$ 4,019	$ 8,737	$ 7,427