Condensed Statements of Operations and Comprehensive Loss (USD $)	3 Months Ended		9 Months Ended
	May 31, 2012	May 31, 2011	May 31, 2012	May 31, 2011
Sales	$ 611,730	$ 647,732	$ 1,165,655	$ 1,506,904
Sales to related parties	13,757	1,017,845	315,163	1,058,597
Equipment rental	25,900	9,900	101,450	61,400
Total revenues	651,387	1,675,477	1,582,268	2,626,901
Cost of sales	435,656	90,064	934,070	808,732
Cost of related party sales	12,180	547,766	226,363	585,261
Cost of equipment rental	2,947	3,608	8,841	13,111
Total cost of revenues	450,783	641,438	1,169,274	1,407,104
Gross margin	200,604	1,034,039	412,994	1,219,797
Research and development	641,457	481,994	1,760,803	992,110
Selling, general and administrative	1,667,503	1,389,175	4,580,000	3,589,573
Total operating costs and expenses	2,308,960	1,871,169	6,340,803	4,581,683
Loss from operations	(2,108,356)	(837,130)	(5,927,809)	(3,361,886)
Interest income	13,861	21,708	47,890	47,331
Other expense	(2,371)	(1,318)	(6,950)	(3,451)
Total other income	11,490	20,390	40,940	43,880
Loss before income taxes	(2,096,866)	(816,740)	(5,886,869)	(3,318,006)
Provision for income taxes	(988)	(800)	(988)	(800)
Net loss and comprehensive loss	$ (2,097,854)	$ (817,540)	$ (5,887,857)	$ (3,318,806)
Net loss per common share: Basic	$ (0.07)	$ (0.03)	$ (0.20)	$ (0.12)
Net loss per common share: Diluted	$ (0.07)	$ (0.03)	$ (0.20)	$ (0.12)
Weighted average number of shares outstanding: Basic	29,717,000	29,612,000	29,696,000	28,553,000
Weighted average number of shares outstanding: Diluted	29,717,000	29,612,000	29,696,000	28,553,000