Condensed Consolidated Statements of Operations and Comprehensive Income (USD $) In Thousands, except Share data	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Revenues	$ 37,671	$ 40,760	$ 66,036	$ 69,663
Cost of Goods Sold	12,753	11,216	21,817	18,491
Gross Profit	24,918	29,544	44,219	51,172
Operating Expenses
Depreciation and amortization	1,396	827	2,730	1,668
Research and development	5,923	5,910	10,035	9,674
Selling	8,530	7,983	14,830	13,894
General and administrative	800	1,123	1,720	2,113
Total operating expenses	16,649	15,843	29,315	27,349
Income from Operations	8,269	13,701	14,904	23,823
Other Income
Interest income	55	30	87	59
Change in fair value of derivative warrant liability	214	2,087	1,591	7,013
Total other income	269	2,117	1,678	7,072
Net Income Before Provision for Income Tax	8,538	15,818	16,582	30,895
Provision for Income Taxes	2,436	3,576	4,357	6,065
Net Income	6,102	12,242	12,225	24,830
Basic Earnings Per Share	$ 0.36	$ 0.73	$ 0.72	$ 1.48
Basic Weighted Average Shares Outstanding	16,940,539	16,790,851	16,940,539	16,783,896
Diluted Earnings Per Share	$ 0.36	$ 0.73	$ 0.72	$ 1.47
Diluted Weighted Average Shares Outstanding	16,940,539	16,812,810	16,940,539	16,894,775
Other Comprehensive Income
Foreign currency translation adjustment	2,275	535	3,690	556
Net Income	6,102	12,242	12,225	24,830
Comprehensive Income	$ 8,377	$ 12,777	$ 15,915	$ 25,386