Condensed Consolidated Statements of Operations (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Product sales	$ 310,867	$ 1,198,230	$ 703,113	$ 3,336,506
Cost of product sales	100,134	504,988	295,925	1,483,862
Gross profit from product sales	210,733	693,242	407,188	1,852,644
Retained royalties	5,955	4,322	70,337	20,244
Gains on sale of rental assets				34,728
Investment income			1,496
Other income	16,634	9,486	39,327	30,625
Total other revenue	22,589	13,808	111,160	85,597
Selling expenses	125,633	219,029	306,889	416,123
Personnel and consulting expenses	277,493	430,778	1,111,058	1,204,288
General and administrative expenses	393,023	601,055	1,369,128	2,114,537
Interest expense	18,628	9,002	40,923	28,992
Unrealized loss (gain) on derivative instrument	15,434	(15,149)	24,317	17,361
Total Expenses	830,211	1,244,715	2,852,315	3,781,301
Income (loss) before income taxes	(596,889)	(537,665)	(2,333,967)	(1,843,060)
Net income (loss)	$ (596,889)	$ (537,665)	$ (2,333,967)	$ (1,843,060)
Basic income (loss) per share	$ (0.04)	$ (0.04)	$ (0.16)	$ (0.13)
Basic weighted average number of common shares outstanding:	15,184,765	14,255,351	14,930,809	13,994,740
Diluted income (loss) per share	$ (0.04)	$ (0.04)	$ (0.16)	$ (0.13)
Diluted weighted average number of common shares outstanding:	15,184,765	14,255,351	14,930,809	13,994,740