Business Segments (Details 1) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Identifiable assets:
Total assets	$ 448,902	$ 434,738
Workforce Excellence [Member]
Identifiable assets:
Total assets	290,465	283,039
Business Transformation Services [Member]
Identifiable assets:
Total assets	$ 158,437	$ 151,699