Segment and Related Information (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014 Segment H	Sep. 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	$ 56,291	$ 55,538	$ 170,234	$ 181,728
Operating income (loss) from continuing operations	(175)	9	(2,302)	(907)
Other income (expense), net	(20)	152	308	373
Interest expense	(21)	(16)	(63)	(42)
Income (loss) from continuing operations before benefit for income taxes	(216)	145	(2,057)	(576)
Depreciation and amortization	870	749	2,531	2,005
Capital expenditures	1,163	1,875	3,890	3,978
United States [Member]
Information as to the Company's segments [Abstract]
Revenues	46,685	44,805	146,011	151,972
Other Countries [Member]
Information as to the Company's segments [Abstract]
Revenues	9,606	10,733	24,223	29,756
Hospitality [Member] | Operating Segments [Member]
Information as to the Company's segments [Abstract]
Revenues	36,159	37,370	106,874	114,877
Operating income (loss) from continuing operations	(879)	(1,304)	(4,705)	(3,997)
Depreciation and amortization	791	673	2,285	1,729
Capital expenditures	1,031	1,847	3,269	3,877
Government [Member] | Operating Segments [Member]
Information as to the Company's segments [Abstract]
Revenues	20,132	18,168	63,360	66,851
Operating income (loss) from continuing operations	1,256	1,411	3,705	4,108
Depreciation and amortization	12	11	37	33
Capital expenditures	10	28	36	28
Other [Member]
Information as to the Company's segments [Abstract]
Operating income (loss) from continuing operations	(552)	(98)	(1,302)	(1,018)
Depreciation and amortization	67	65	209	243
Capital expenditures	$ 122	$ 0	$ 585	$ 73