Identifiable intangible assets and Goodwill (Details)	3 Months Ended		6 Months Ended
	Jun. 30, 2016 USD ($)	Jun. 30, 2015 USD ($)	Jun. 30, 2016 USD ($) Segment Unit	Jun. 30, 2015 USD ($)	Dec. 31, 2015 USD ($)
Finite-Lived Intangible Assets [Line Items]
Software costs capitalized	$ 561,000	$ 558,000	$ 1,220,000	$ 968,000
Amortization of capitalized software costs	270,000	207,000	532,000	394,000
Amortization of identifiable intangible assets	242,000	$ 249,000	$ 483,000	$ 498,000
Number of operating segments | Segment			2
Number of reporting units | Unit			2
Goodwill	11,051,000		$ 11,051,000		$ 11,051,000
Components of identifiable intangible assets [Abstract]
Intangible assets - gross	14,135,000		14,135,000		12,915,000
Less accumulated amortization	(3,433,000)		(3,433,000)		(2,417,000)
Total	10,702,000		10,702,000		10,498,000
Intangible assets - net	11,102,000		11,102,000		10,898,000
Future amortization of intangible assets assuming straight-line amortization of capitalized software costs [Abstract]
2016	1,043,000		1,043,000
2017	1,988,000		1,988,000
2018	1,823,000		1,823,000
2019	1,386,000		1,386,000
2020	1,181,000		1,181,000
Thereafter	3,281,000		3,281,000
Total	10,702,000		10,702,000		10,498,000
Trademarks, Trade Names [Member]
Components of identifiable intangible assets [Abstract]
Indefinite-lived non-amortizable intangible assets	400,000		400,000		400,000
Acquired and Internally Developed Software Costs [Member]
Components of identifiable intangible assets [Abstract]
Intangible assets - gross	13,945,000		$ 13,945,000		12,725,000
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated Useful Life			7 years
Components of identifiable intangible assets [Abstract]
Intangible assets - gross	160,000		$ 160,000		160,000
Non-compete agreement [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated Useful Life			1 year
Components of identifiable intangible assets [Abstract]
Intangible assets - gross	30,000		$ 30,000		30,000
Restaurants [Member]
Finite-Lived Intangible Assets [Line Items]
Goodwill	10,300,000		10,300,000		10,300,000
Government [Member]
Finite-Lived Intangible Assets [Line Items]
Goodwill	$ 800,000		$ 800,000		$ 800,000
Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated Useful Life			3 years
Minimum [Member] | Acquired and Internally Developed Software Costs [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
Maximum [Member] | Acquired and Internally Developed Software Costs [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated Useful Life			7 years