Condensed Consolidated Statements Of Operations And Comprehensive Loss (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Revenue:
Product sales	$ 2,909	$ 3,447
Royalties	2,348	2,698
Total Revenue	5,257	6,145
Cost of revenue (exclusive of amortization shown below):
Product sales	1,314	1,664
Total Cost of Revenue	1,314	1,664
Gross profit	3,943	4,481
Operating expenses:
Selling, marketing and product support	1,849	2,620
General and administrative	1,231	1,472
Research and development	1,270	1,029
Amortization of intangible assets	408	412
Restructuring	76
Total operating expenses	4,834	5,533
Loss from operations	(891)	(1,052)
Other income, net	5	4
Loss before income taxes	(886)	(1,048)
Income tax benefit	(218)	(240)
Net loss	(668)	(808)
Net loss per share:
Basic	$ (0.14)	$ (0.17)
Diluted	$ (0.14)	$ (0.17)
Weighted average number of common shares outstanding:
Basic	4,854	4,824
Diluted	4,854	4,824
Comprehensive loss:
Net loss	(668)	(808)
Other comprehensive income:
Foreign currency translation adjustment	521	679
Comprehensive loss	$ (147)	$ (129)