Segment Information (Financial Information Relating To Operations By Geographic Region) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014
Segment Reporting Information [Line Items]
Total revenue	$ 6,071	$ 7,939	$ 12,731	$ 14,521
Long-lived assets, net	18,357		18,357		$ 18,277
United States [Member]
Segment Reporting Information [Line Items]
Long-lived assets, net	1,926		1,926		1,998
Nigeria [Member]
Segment Reporting Information [Line Items]
Total revenue	446	1,614	677	2,335
United Kingdom [Member]
Segment Reporting Information [Line Items]
Total revenue	848	1,371	1,876	2,968
Long-lived assets, net	16,290		16,290		16,091
Mexico [Member]
Segment Reporting Information [Line Items]
Total revenue	632	808	1,065	1,511
Switzerland [Member]
Segment Reporting Information [Line Items]
Total revenue	731	257	1,311	564
Saudi Arabia [Member]
Segment Reporting Information [Line Items]
Total revenue	78	214
Philippines [Member]
Segment Reporting Information [Line Items]
Total revenue			994	1,042
Other [Member]
Segment Reporting Information [Line Items]
Total revenue	3,336	3,675	6,808	6,101
Long-lived assets, net	141		141		$ 188
License Fees And Services [Member]
Segment Reporting Information [Line Items]
Total revenue	3,610	5,182	7,949	9,549
License Fees And Services [Member] | Nigeria [Member]
Segment Reporting Information [Line Items]
Total revenue	323	1,495	435	2,125
License Fees And Services [Member] | United Kingdom [Member]
Segment Reporting Information [Line Items]
Total revenue	423	855	961	1,952
License Fees And Services [Member] | Mexico [Member]
Segment Reporting Information [Line Items]
Total revenue	508	485	824	1,074
License Fees And Services [Member] | Switzerland [Member]
Segment Reporting Information [Line Items]
Total revenue	595	128	1,037	316
License Fees And Services [Member] | Saudi Arabia [Member]
Segment Reporting Information [Line Items]
Total revenue	78	172
License Fees And Services [Member] | Philippines [Member]
Segment Reporting Information [Line Items]
Total revenue			762	858
License Fees And Services [Member] | Other [Member]
Segment Reporting Information [Line Items]
Total revenue	1,683	2,047	3,930	3,224
Customer Support [Member]
Segment Reporting Information [Line Items]
Total revenue	2,461	2,757	4,782	4,972
Customer Support [Member] | Nigeria [Member]
Segment Reporting Information [Line Items]
Total revenue	123	119	242	210
Customer Support [Member] | United Kingdom [Member]
Segment Reporting Information [Line Items]
Total revenue	425	516	915	1,016
Customer Support [Member] | Mexico [Member]
Segment Reporting Information [Line Items]
Total revenue	124	323	241	437
Customer Support [Member] | Switzerland [Member]
Segment Reporting Information [Line Items]
Total revenue	136	129	274	248
Customer Support [Member] | Saudi Arabia [Member]
Segment Reporting Information [Line Items]
Total revenue		42
Customer Support [Member] | Philippines [Member]
Segment Reporting Information [Line Items]
Total revenue			232	184
Customer Support [Member] | Other [Member]
Segment Reporting Information [Line Items]
Total revenue	$ 1,653	$ 1,628	$ 2,878	$ 2,877