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CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Share data	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Revenue, Net	$ 11,511	$ 10,359	$ 34,102	$ 28,652
Cost of Goods Sold	4,534	4,105	13,666	11,542
Gross Profit	6,977	6,254	20,436	17,110
Operating expenses:
Research and Development Expense	2,184	2,243	6,274	6,328
Selling and Marketing Expense	1,796	2,124	5,249	5,772
General and Administrative Expense	1,333	1,106	4,166	3,252
Proceeds from litigation	(3,702)		(3,702)
Operating Expenses	1,611	5,473	11,987	15,352
Operating Income	5,366	781	8,449	1,758
Other Income (expense)	(4)	12	15	(120)
Income before Income Taxes	5,362	793	8,464	1,638
Income tax expense (benefit)	(1,987)	194	(2,956)	(81)
Net Income (Loss)	$ 3,375	$ 987	$ 5,508	$ 1,557
Earnings per share - Basic	$ 0.37	$ 0.11	$ 0.61	$ 0.17
Earnings per share - Diluted	$ 0.36	$ 0.11	$ 0.59	$ 0.17
Shares Outstanding - Basic	9,089,919	8,929,342	9,005,221	8,929,266
Shares Outstanding - Diluted	9,358,292	9,108,102	9,276,619	9,095,879

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

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Namespace Prefix:	us-gaap
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration