Share repurchase program (Details Narrative) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	1 Months Ended	3 Months Ended	12 Months Ended
	Jun. 24, 2021	Sep. 30, 2021	Dec. 31, 2020	Nov. 01, 2017	Sep. 24, 2015
Class of Stock [Line Items]
Amount of shares authorized to be repurchased				$ 5,185	$ 3,500
Number of shares authorized to be repurchased			625	625	250
Repurchasement of per share amount			$ 2.27
Treasury Stock, Common [Member]
Class of Stock [Line Items]
Stock repurchased during period, shares	250	250	179
Payments for stock repurchased		$ 1,583	$ 405