Segment and Related Information (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014 H Segment	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Segment and Related Information [Abstract]
Number of reportable segments	2
Number of hours of telephone support for hospitality segment (in hours)	24
Information as to the Company's segments [Abstract]
Revenues	$ 57,402	$ 59,516	$ 113,943	$ 126,190
Operating income (loss) from continuing operations	(1,013)	259	(2,127)	(916)
Other income, net	406	255	328	221
Interest expense	(25)	(13)	(42)	(26)
Income (loss) from continuing operations before benefit for income taxes	(632)	501	(1,841)	(721)
Depreciation and amortization	831	712	1,661	1,256
Capital expenditures	1,116	1,258	2,697	2,103
United States [Member]
Information as to the Company's segments [Abstract]
Revenues	49,771	49,151	99,326	107,165
Other Countries [Member]
Information as to the Company's segments [Abstract]
Revenues	7,631	10,365	14,617	19,025
Hospitality [Member] | Operating Segments [Member]
Information as to the Company's segments [Abstract]
Revenues	37,873	37,571	70,715	77,507
Operating income (loss) from continuing operations	(1,765)	(971)	(3,826)	(2,693)
Depreciation and amortization	749	687	1,494	1,056
Capital expenditures	767	1,258	2,208	2,030
Government [Member] | Operating Segments [Member]
Information as to the Company's segments [Abstract]
Revenues	19,529	21,945	43,228	48,683
Operating income (loss) from continuing operations	962	1,475	2,449	2,697
Depreciation and amortization	12	10	25	22
Capital expenditures	0	0	26	0
Other [Member]
Information as to the Company's segments [Abstract]
Operating income (loss) from continuing operations	(210)	(245)	(750)	(920)
Depreciation and amortization	70	15	142	178
Capital expenditures	$ 349	$ 0	$ 463	$ 73