Acquisition (Intangible Assets Acquired) (Details) £ in Thousands, $ in Thousands	May 01, 2017 USD ($)	Apr. 06, 2017 GBP (£)
Jibe Consulting, Inc [Member]
Business Acquisition [Line Items]
Amount | $	$ 931
Jibe Consulting, Inc [Member] | Customer Base [Member]
Business Acquisition [Line Items]
Amount | $	$ 140
Useful Life (in years)	5 years
Jibe Consulting, Inc [Member] | Customer Backlog [Member]
Business Acquisition [Line Items]
Amount | $	$ 325
Useful Life (in years)	2 years
Jibe Consulting, Inc [Member] | Non-Compete [Member]
Business Acquisition [Line Items]
Amount | $	$ 466
Useful Life (in years)	5 years
Aecus Limited [Member]
Business Acquisition [Line Items]
Amount | £		£ 1,515
Aecus Limited [Member] | Customer Base [Member]
Business Acquisition [Line Items]
Amount | £		£ 455
Useful Life (in years)		5 years
Aecus Limited [Member] | Customer Backlog [Member]
Business Acquisition [Line Items]
Amount | £		£ 52
Useful Life (in years)		2 years
Aecus Limited [Member] | Non-Compete [Member]
Business Acquisition [Line Items]
Amount | £		£ 1,008
Useful Life (in years)		5 years