We follow ASC Topic 718, Stock-Based Payments, in which compensation expense is recognized only for stock-based payments expected to vest. (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Stock-based compensation expense	$ 209	$ 148
Remaining unrecognized compensation expense	$ 1,577
Share-Based Payment Arrangement, Option [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Remaining weighted average-period, expense recognition (years)	2 years 1 month 6 days