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Gross number of share options (or share units) granted during the period.

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Fair value of options vested. Excludes equity instruments other than options, for example, but not limited to, share units, stock appreciation rights, restricted stock.

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Number of shares issued during the period as a result of an employee stock purchase plan.

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Stock-Based Compensation - Narrative (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended		6 Months Ended
	Jan. 31, 2026	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Share-based Compensation
Total grant date fair value of options vested		$ 100	$ 200	$ 100	$ 400
Options granted (in shares)		0	0	0	0
2016 Employee Stock Purchase Plan
Share-based Compensation
Increase in number of shares reserved for issuance (in shares)	229,777
Shares available for future issuance (in shares)		1,304,274		1,304,274
Issuance of common stock under employee stock purchase plan (in shares)		67,049	61,181	67,049	61,181
Issuance of common stock under employee stock purchase plan		$ 290	$ 254	$ 290	$ 254
Employee Stock Option
Share-based Compensation
Unrecognized compensation expense, weighted-average period expected to be recognized				9 months 10 days
RSUs
Share-based Compensation
Unrecognized stock-based compensation expense		$ 12,800		$ 12,800
Unrecognized compensation expense, weighted-average period expected to be recognized				2 years 10 months 24 days