Condensed Statements of Operations and Comprehensive Loss (USD $)	3 Months Ended		6 Months Ended
	Feb. 29, 2012	Feb. 28, 2011	Feb. 29, 2012	Feb. 28, 2011
Sales	$ 236,437	$ 404,243	$ 553,925	$ 859,172
Sales to related parties	546	30,296	301,406	40,752
Equipment rental	34,900	9,900	75,550	51,500
Total revenues	271,883	444,439	930,881	951,424
Cost of sales	343,922	374,585	498,414	718,668
Cost of related party sales	744	28,248	214,183	37,495
Cost of equipment rental	2,947	3,104	5,894	9,503
Total cost of revenues	347,613	405,937	718,491	765,666
Gross margin (loss)	(75,730)	38,502	212,390	185,758
Research and development	582,611	432,820	1,119,346	510,116
Selling, general and administrative	1,457,662	1,176,467	2,912,497	2,200,398
Total operating costs and expenses	2,040,273	1,609,287	4,031,843	2,710,514
Loss from operations	(2,116,003)	(1,570,785)	(3,819,453)	(2,524,756)
Interest income	15,970	18,038	34,029	25,623
Other income (expense)	(2,565)	(1,218)	(4,579)	(2,133)
Total other income	13,405	16,820	29,450	23,490
Loss before income taxes	(2,102,598)	(1,553,965)	(3,790,003)	(2,501,266)
Net loss and comprehensive loss	$ (2,102,598)	$ (1,553,965)	$ (3,790,003)	$ (2,501,266)
Net loss per common share: Basic	$ (0.07)	$ (0.05)	$ (0.13)	$ (0.09)
Net loss per common share: Diluted	$ (0.07)	$ (0.05)	$ (0.13)	$ (0.09)
Weighted average number of shares outstanding: Basic	29,686,000	29,289,000	29,686,000	28,014,000
Weighted average number of shares outstanding: Diluted	29,686,000	29,289,000	29,686,000	28,014,000