Statements of Comprehensive Loss (USD $)	12 Months Ended
	Aug. 31, 2014	Aug. 31, 2013	Aug. 31, 2012
Revenues:
Sales	$ 4,544,204	$ 3,274,796	$ 1,608,179
Sales to related parties	419,549	99,896	333,663
Equipment rental	364,600	298,600	129,350
Total revenues	5,328,353	3,673,292	2,071,192
Cost of revenues:
Cost of sales	2,613,921	2,161,967	1,244,290
Cost of related party sales	313,156	87,694	260,553
Cost of equipment rental	11,788	11,788	11,788
Total cost of revenues	2,938,865	2,261,449	1,516,631
Gross margin	2,389,488	1,411,843	554,561
Operating costs and expenses:
Research and development	2,229,043	2,281,854	2,364,608
Selling, general and administrative	7,308,643	7,403,273	6,203,200
Total operating costs and expenses	9,537,686	9,685,127	8,567,808
Loss from operations	(7,148,198)	(8,273,284)	(8,013,247)
Other income (expense):
Interest income	22,491	32,225	59,783
Other expense	(15,125)	(8,694)	(6,208)
Total other income (expense)	7,366	23,531	53,575
Loss before income taxes	(7,140,832)	(8,249,753)	(7,959,672)
Income tax provision	(2,000)	(1,938)	(988)
Net loss and comprehensive loss	$ (7,142,832)	$ (8,251,691)	$ (7,960,660)
Net loss per common share: Basic	$ (0.20)	$ (0.26)	$ (0.27)
Net loss per common share: Diluted	$ (0.20)	$ (0.26)	$ (0.27)
Weighted average number of shares outstanding: Basic	34,967,000	31,414,000	29,717,000
Weighted average number of shares outstanding: Diluted	34,967,000	31,414,000	29,717,000