Segment and Related Information (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
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	$ 61,052	$ 58,690	$ 178,730	$ 169,307
Operating income (loss)	1,155	2,720	1,835	(23,237)
Other income (expense), net	233	23	440	(106)
Interest expense	(22)	(48)	(64)	(163)
Income from continuing operations before provision for income taxes	1,366	2,695	2,211	(23,506)
Depreciation and amortization	905	662	2,649	2,050
Capital expenditures	1,078	2,106	4,239	7,699
Revenues by geographic area:
United States	53,097	51,062	155,667	148,087
Other Countries	7,955	7,628	23,063	21,220
Revenue, net	61,052	58,690	178,730	169,307
Hospitality [Member]
Information as to the Company's segments [Abstract]
Revenues	39,060	42,934	110,765	120,471
Operating income (loss)	96	1,940	(1,096)	(25,563)
Depreciation and amortization	790	558	2,315	1,715
Capital expenditures	1,023	2,063	4,039	7,610
Revenues by geographic area:
Revenue, net	39,060	42,934	110,765	120,471
Government [Member]
Information as to the Company's segments [Abstract]
Revenues	21,992	15,756	67,965	48,836
Operating income (loss)	1,193	937	3,465	2,760
Depreciation and amortization	18	18	56	58
Capital expenditures	0	0	0	20
Revenues by geographic area:
Revenue, net	21,992	15,756	67,965	48,836
Other [Member]
Information as to the Company's segments [Abstract]
Operating income (loss)	(134)	(157)	(534)	(434)
Depreciation and amortization	97	86	278	277
Capital expenditures	$ 55	$ 43	$ 200	$ 69