Identifiable intangible assets and Goodwill (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2017 USD ($) Segment Unit	Mar. 31, 2016 USD ($)	Dec. 31, 2016 USD ($)
Finite-Lived Intangible Assets [Line Items]
Software costs capitalized	$ 1,000	$ 700
Amortization of capitalized software costs	300	300
Amortization of identifiable intangible assets	$ 241	$ 241
Number of operating segments | Segment	2
Number of reporting units | Unit	2
Goodwill	$ 11,051		$ 11,051
Components of identifiable intangible assets [Abstract]
Intangible assets - gross	15,811		16,074
Less accumulated amortization	(4,800)		(5,508)
Total	11,011		10,566
Total intangible assets, net	11,411		10,966
Future amortization of intangible assets assuming straight-line amortization of capitalized software costs [Abstract]
2017	1,657
2018	2,054
2019	1,616
2020	1,396
2021	1,031
Thereafter	3,257
Total	$ 11,011		10,566
Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated Useful Life	3 years
Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated Useful Life	7 years
Acquired and Internally Developed Software Costs [Member]
Components of identifiable intangible assets [Abstract]
Intangible assets - gross	$ 15,621		15,884
Acquired and Internally Developed Software Costs [Member] | Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated Useful Life	3 years
Acquired and Internally Developed Software Costs [Member] | Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated Useful Life	7 years
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated Useful Life	7 years
Components of identifiable intangible assets [Abstract]
Intangible assets - gross	$ 160		160
Non-competition Agreement [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated Useful Life	1 year
Components of identifiable intangible assets [Abstract]
Intangible assets - gross	$ 30		30
Restaurant/Retail [Member]
Finite-Lived Intangible Assets [Line Items]
Goodwill	10,300		10,300
Government [Member]
Finite-Lived Intangible Assets [Line Items]
Goodwill	700		700
Trademarks, Trade Names [Member]
Indefinite-lived Intangible Assets [Line Items]
Indefinite-lived non-amortizable intangible assets	$ 400		$ 400