Condensed Consolidated Statements of Operations and Comprehensive Loss (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Revenues
Professional product revenues	$ 13,030,019	$ 10,053,867	$ 24,927,193	$ 20,600,515
Consumer product revenues	900,409	0	1,879,177	0
Service revenues	3,545,564	3,907,312	7,315,807	7,742,499
Royalty revenues	1,527,203	1,748,510	3,325,265	4,966,849
Other revenues	666,664	555,556	1,222,220	1,111,112
Total revenues	19,669,859	16,265,245	38,669,662	34,420,975
Costs and expenses
Cost of professional product revenues	5,045,188	3,970,251	9,946,286	8,273,817
Cost of consumer product revenues	776,364	14,444	1,610,747	55,980
Cost of service revenues	1,654,401	1,663,738	3,314,364	3,455,905
Cost of royalty revenues	610,881	699,404	1,330,106	1,986,739
Research and development	2,836,041	3,880,308	6,208,302	7,528,224
Selling and marketing	7,074,465	6,315,511	13,755,990	11,891,282
General and administrative	2,941,484	3,782,204	6,093,444	7,267,605
Total costs and expenses	20,938,824	20,325,860	42,259,239	40,459,552
Loss from operations	(1,268,965)	(4,060,615)	(3,589,577)	(6,038,577)
Interest income	85,989	88,691	174,992	202,072
Other (loss) income	(270,528)	29,476	(258,726)	39,318
Loss before income taxes	(1,453,504)	(3,942,448)	(3,673,311)	(5,797,187)
Provision for income taxes	18,143	56,473	90,121	95,726
Net loss	(1,471,647)	(3,998,921)	(3,763,432)	(5,892,913)
Net loss per common share
Basic (in dollars per share)	$ (0.08)	$ (0.21)	$ (0.2)	$ (0.32)
Diluted (in dollars per share)	$ (0.08)	$ (0.21)	$ (0.2)	$ (0.32)
Weighted average number of shares outstanding
Basic (in shares)	18,821,644	18,699,608	18,835,623	18,688,202
Diluted (in shares)	18,821,644	18,699,608	18,835,623	18,688,202
Comprehensive loss:
Net loss	(1,471,647)	(3,998,921)	(3,763,432)	(5,892,913)
Unrealized gain (loss) on marketable securities, net of taxes	748	4,124	(24,079)	25,148
Foreign currency translation adjustment	214,276	(34,905)	194,808	(43,230)
Comprehensive loss	$ (1,256,623)	$ (4,029,702)	$ (3,592,703)	$ (5,910,995)