Segment and Related Information, Reconciliation of Segment Assets (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Identifiable assets by geographic area [Abstract]
Identifiable assets	$ 119,103	$ 116,251
Goodwill by business segment [Abstract]
Goodwill	11,051	11,051
Government [Member]
Goodwill by business segment [Abstract]
Goodwill	800	800
Other [Member]
Identifiable assets by geographic area [Abstract]
Identifiable assets	28,252	33,251
Reportable Segments [Member] | Hospitality [Member]
Identifiable assets by geographic area [Abstract]
Identifiable assets	78,746	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	12,105	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	106,364	100,960
Reportable Geographical Components [Member] | Other Countries [Member]
Identifiable assets by geographic area [Abstract]
Identifiable assets	$ 12,739	$ 15,291