Segment and Related Information, Reconciliation of Segment Assets (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Identifiable assets by geographic area [Abstract]
Identifiable assets	$ 118,616	$ 115,312
Goodwill by business segment [Abstract]
Goodwill	11,051	11,051
Government [Member]
Goodwill by business segment [Abstract]
Goodwill	700	700
Other [Member]
Identifiable assets by geographic area [Abstract]
Identifiable assets	28,990	32,312
Reportable Segments [Member] | Hospitality [Member]
Identifiable assets by geographic area [Abstract]
Identifiable assets	75,953	72,948
Goodwill by business segment [Abstract]
Goodwill	10,315	10,315
Reportable Segments [Member] | Government [Member]
Identifiable assets by geographic area [Abstract]
Identifiable assets	13,673	10,052
Goodwill by business segment [Abstract]
Goodwill	736	736
Reportable Geographical Components [Member] | United States [Member]
Identifiable assets by geographic area [Abstract]
Identifiable assets	104,491	100,021
Reportable Geographical Components [Member] | Other Countries [Member]
Identifiable assets by geographic area [Abstract]
Identifiable assets	$ 14,125	$ 15,291