Stock compensation expense (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Stock compensation	$ 320	$ 324
Share-Based Payment Arrangement, Option [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Stock compensation	19	17
Restricted Stock [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Stock compensation	301	257
Employee Grant [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Stock compensation	$ 0	$ 50