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Stockholders' Equity - Stock-Based Compensation (Details) $ in Thousands				12 Months Ended
	Jan. 01, 2025 shares	Jan. 01, 2024 shares	Aug. 02, 2016 USD ($) shares	Dec. 31, 2024 USD ($) shares	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Nov. 04, 2024 USD ($)	Apr. 27, 2016 shares
Stock-based compensation
Amount of authorized shares to repurchase				$ 26,500			$ 30,000
Compensation expense				$ 7,819	$ 7,547	$ 9,600
Conversion of preferred stock to common stock (in shares) | shares			5,924,453
Number of new stock issued relating to the IPO that Series A and Series B preferred stockholders are entitled to receive | shares			2,354,323
Employee Stock Purchase Plan
Stock-based compensation
Increase in number of shares reserved and available for issuance | shares	240,780	236,003
Shares available for future issuance | shares				1,444,905				1,600,000
Compensation expense				$ 500	600	800
Series B Preferred Stock
Stock-based compensation
Preferred stock to common stock conversion ratio			1
Number of new stock issued to pay accrued stock dividends relating to initial offering price | shares			956,842
Series A Preferred Stock
Stock-based compensation
Preferred stock to common stock conversion ratio			1.03
Payment of dividends			$ 100
Cumulative accrued dividends			$ 8,200
Cost of revenue.
Stock-based compensation
Compensation expense				365	420	367
Sales and marketing expenses
Stock-based compensation
Compensation expense				2,413	2,985	4,060
Research and development expenses
Stock-based compensation
Compensation expense				157	133	226
Reimbursement, general and administrative expenses
Stock-based compensation
Compensation expense				$ 4,884	4,009	4,947
2016 Plan
Stock-based compensation
Number of shares authorized | shares				4,800,000
Automatic annual increase to the number of shares reserved and available for issuance as a percentage of outstanding common stock (as a percent)				5.00%
Automatic annual increase to the number of shares reserved and available for issuance | shares				2,500,000
Increase in number of shares reserved and available for issuance | shares		1,180,019
Shares available for future issuance | shares				6,475,903
Employee Stock Option [Member]
Stock-based compensation
Compensation expense				$ 200	$ 900	$ 2,500

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