Segment and Related Information (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013 H Segment	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
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	$ 55,538	$ 61,052	$ 181,728	$ 178,730
Operating income (loss)	9	1,155	(907)	1,835
Other income, net	152	233	373	440
Interest expense	(16)	(22)	(42)	(64)
Income from continuing operations before provision (loss) for income taxes	145	1,366	(576)	2,211
Depreciation and amortization	749	905	2,005	2,649
Capital expenditures	1,875	1,078	3,978	4,239
Revenues by geographic area:
United States	44,805	53,097	151,972	155,667
Other Countries	10,733	7,955	29,756	23,063
Revenue, net	55,538	61,052	181,728	178,730
Hospitality [Member]
Information as to the Company's segments [Abstract]
Revenues	37,370	39,060	114,877	110,765
Operating income (loss)	(1,304)	96	(3,997)	(1,096)
Depreciation and amortization	673	790	1,729	2,315
Capital expenditures	1,847	1,023	3,877	4,039
Revenues by geographic area:
Revenue, net	37,370	39,060	114,877	110,765
Government [Member]
Information as to the Company's segments [Abstract]
Revenues	18,168	21,992	66,851	67,965
Operating income (loss)	1,411	1,193	4,108	3,465
Depreciation and amortization	11	18	33	56
Capital expenditures	28	0	28	0
Revenues by geographic area:
Revenue, net	18,168	21,992	66,851	67,965
Other [Member]
Information as to the Company's segments [Abstract]
Operating income (loss)	(98)	(134)	(1,018)	(534)
Depreciation and amortization	65	97	243	278
Capital expenditures	$ 0	$ 55	$ 73	$ 200