Segment and Related Information, Reconciliation of Segment Assets (Details) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Identifiable assets by geographic area [Abstract]
Identifiable assets	$ 107,374	$ 115,178
Goodwill by business segment [Abstract]
Goodwill	11,051	11,051
United States [Member] | Reportable Geographical Components [Member]
Identifiable assets by geographic area [Abstract]
Identifiable assets	92,943	93,825
Other Countries [Member] | Reportable Geographical Components [Member]
Identifiable assets by geographic area [Abstract]
Identifiable assets	14,431	21,353
Hospitality [Member] | Reportable Segments [Member]
Identifiable assets by geographic area [Abstract]
Identifiable assets	75,651	81,282
Goodwill by business segment [Abstract]
Goodwill	10,315	10,315
Government [Member]
Goodwill by business segment [Abstract]
Goodwill	700	700
Government [Member] | Reportable Segments [Member]
Identifiable assets by geographic area [Abstract]
Identifiable assets	9,968	11,221
Goodwill by business segment [Abstract]
Goodwill	736	736
Other [Member]
Identifiable assets by geographic area [Abstract]
Identifiable assets	$ 21,755	$ 22,675