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Stock-Based Compensation - Non-cash stock-based compensation expense (Details) - USD ($) $ in Thousands, shares in Millions	3 Months Ended			9 Months Ended
	Sep. 30, 2022	Jun. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total non-cash stock compensation expense	$ 1,095		$ 1,326	$ 3,849	$ 3,623
Unrecognized compensation costs	$ 8,500			$ 8,500
Restricted stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total non-cash stock compensation expense		$ 600
2015 Omnibus Equity Incentive Plan \| Restricted stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares available for future grants (in shares)	2.4			2.4
Cost of sales
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total non-cash stock compensation expense	$ 0		0	$ 2	1
Sales and marketing
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total non-cash stock compensation expense	179		238	915	663
Research and development
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total non-cash stock compensation expense	279		270	808	705
General and administrative
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total non-cash stock compensation expense	$ 637		$ 818	$ 2,124	$ 2,254