Condensed Consolidated Statements of Operations (Unaudited) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Condensed Consolidated Statements of Operations [Abstract]
Product revenues	$ 9,447,918	$ 8,015,546	$ 30,292,804	$ 25,430,363
Cost of product revenues	1,536,581	1,627,782	4,891,140	5,228,075
GROSS MARGIN	7,911,337	6,387,764	25,401,664	20,202,288
Operating costs:
Research and development	1,307,054	1,283,771	3,739,472	3,643,849
Marketing and sales	3,352,535	2,792,780	10,614,332	9,544,564
General and administrative	2,323,072	2,208,898	7,335,106	6,919,128
Gain on sale of assets			(750,000)
TOTAL OPERATING COSTS	6,982,661	6,285,449	20,938,910	20,107,541
INCOME FROM OPERATIONS	928,676	102,315	4,462,754	94,747
Gain (loss) on change in fair value of warrants	2,569,154	(130,674)	(495,216)	(486,964)
Other income	9,065	61,183	45,052	188,752
NET INCOME (LOSS)	$ 3,506,895	$ 32,824	$ 4,012,590	$ (203,465)
BASIC NET INCOME (LOSS) PER COMMON SHARE	$ 0.14	$ 0	$ 0.16	$ (0.01)
DILUTED NET INCOME (LOSS) PER COMMON SHARE	$ 0.13	$ 0	$ 0.15	$ (0.01)
WEIGHTED AVERAGE COMMON SHARES OUTSTANDING, BASIC	24,649,364	24,209,215	24,492,137	24,173,399
WEIGHTED AVERAGE COMMON SHARES OUTSTANDING, DILUTED	26,442,251	24,658,844	26,385,140	24,173,399