Segment and Related Information (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013 H Segment	Jun. 30, 2012	Jun. 30, 2013	Jun. 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	$ 59,516	$ 62,085	$ 126,190	$ 117,678
Operating income (loss)	259	(543)	(916)	680
Other income, net	255	(366)	221	207
Interest expense	(13)	(21)	(26)	(42)
Income from continuing operations before provision for income taxes	501	(930)	(721)	845
Depreciation and amortization	712	919	1,256	1,744
Capital expenditures	1,258	1,988	2,103	3,161
Revenues by geographic area:
United States	49,151	54,205	107,165	102,570
Other Countries	10,365	7,880	19,025	15,108
Revenue, net	59,516	62,085	126,190	117,678
Hospitality [Member]
Information as to the Company's segments [Abstract]
Revenues	37,571	36,156	77,507	71,705
Operating income (loss)	(971)	(1,558)	(2,693)	(1,192)
Depreciation and amortization	687	782	1,056	1,525
Capital expenditures	1,258	1,885	2,030	3,016
Revenues by geographic area:
Revenue, net	37,571	36,156	77,507	71,705
Government [Member]
Information as to the Company's segments [Abstract]
Revenues	21,945	25,929	48,683	45,973
Operating income (loss)	1,475	1,251	2,697	2,272
Depreciation and amortization	10	19	22	38
Capital expenditures	0	0	0	0
Revenues by geographic area:
Revenue, net	21,945	25,929	48,683	45,973
Other [Member]
Information as to the Company's segments [Abstract]
Operating income (loss)	(245)	(236)	(920)	(400)
Depreciation and amortization	15	118	178	181
Capital expenditures	$ 0	$ 103	$ 73	$ 145