Condensed Consolidated Statements of Operations (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Oct. 31, 2010	Sep. 30, 2011	Oct. 31, 2010
Product sales	$ 1,198,230	$ 107,996	$ 3,336,506	$ 1,673,671
Cost of product sales	504,988	18,191	1,483,862	524,767
Gross profit from product sales	693,242	89,805	1,852,644	1,148,904
Gain on sale of rental assets			34,728
Retained royalties	4,322	7,464	20,244	38,167
Investment income		10		35
Other income	9,486	4,000	30,625	4,800
Total other revenue	13,808	11,474	85,597	43,002
Selling expenses	219,029	56,452	416,123	286,920
Personnel and consulting expenses	430,778	504,340	1,204,288	1,498,487
General and administrative expenses	601,055	633,205	2,114,537	1,703,388
Interest expense	9,002	1,695	28,992	5,229
Unrealized gain on derivative instrument	(15,149)		17,361
Total Expenses	1,244,715	1,195,692	3,781,301	3,494,024
Income (loss) before income taxes	(537,665)	(1,094,413)	(1,843,060)	(2,302,118)
Net income (loss)	$ (537,665)	$ (1,094,413)	$ (1,843,060)	$ (2,302,118)
Basic income (loss) per share	$ (0.04)	$ (0.08)	$ (0.13)	$ (0.19)
Basic weighted average number of common shares outstanding:	14,255,351	13,824,944	13,994,740	12,232,955
Diluted income (loss) per share	$ (0.04)	$ (0.08)	$ (0.13)	$ (0.19)
Diluted weighted average number of common shares outstanding:	14,255,351	13,824,944	13,994,740	12,232,955