Segment Information (Detail) - 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]
Assets	$ 16,288		$ 16,288		$ 16,439
Property & equipment, net	1,964		1,964		2,091
Intangible assets	8,369		8,369		8,313
Revenues			4,419	$ 5,909
Net income (loss)	(73)	$ (50)	(327)	169
United States [Member]
Segment Reporting Information [Line Items]
Assets	9,122		9,122		9,387
Property & equipment, net	92		92		98
Intangible assets	8,315		8,315		8,313
Revenues			645	955
Net income (loss)			(444)	(31)
Germany [Member]
Segment Reporting Information [Line Items]
Assets	6,839		6,839		6,989
Property & equipment, net	1,866		1,866		1,985
Intangible assets	47		47		0
Revenues			3,774	4,954
Net income (loss)			116	200
Poland [Member]
Segment Reporting Information [Line Items]
Assets	302		302		63
Property & equipment, net	6		6		8
Intangible assets	$ 7		7		$ 0
Revenues			0	0
Net income (loss)			$ 0	$ 0