Statements of Comprehensive Loss (USD $)	3 Months Ended		9 Months Ended
	May 31, 2013	May 31, 2012	May 31, 2013	May 31, 2012
Revenues:
Sales	$ 1,256,583	$ 611,730	$ 2,540,281	$ 1,165,655
Sales to related parties	230	13,757	76,776	315,163
Equipment rental	59,900	25,900	178,700	101,450
Total revenues	1,316,713	651,387	2,795,757	1,582,268
Cost of Revenues:
Cost of sales	713,383	435,656	1,533,618	934,070
Cost of related party sales	81	12,180	66,527	226,363
Cost of equipment rental	2,947	2,947	8,841	8,841
Total cost of revenues	716,411	450,783	1,608,986	1,169,274
Gross margin	600,302	200,604	1,186,771	412,994
Operating costs and expenses:
Research and development	607,690	641,457	1,693,648	1,760,803
Selling, general and administrative	1,967,082	1,667,503	5,562,013	4,580,000
Total operating costs and expenses	2,574,772	2,308,960	7,255,661	6,340,803
Loss from operations	(1,974,470)	(2,108,356)	(6,068,890)	(5,927,809)
Other income (expense):
Interest income	7,708	13,861	24,374	47,890
Other expense	(2,984)	(2,371)	(5,291)	(6,950)
Total other income	4,724	11,490	19,083	40,940
Loss before income taxes	(1,969,746)	(2,096,866)	(6,049,807)	(5,886,869)
Provision for income taxes		(988)		(988)
Net loss and comprehensive loss	$ (1,969,746)	$ (2,097,854)	$ (6,049,807)	$ (5,887,857)
Net loss per common share: Basic	$ (0.06)	$ (0.07)	$ (0.20)	$ (0.20)
Net loss per common share: Diluted	$ (0.06)	$ (0.07)	$ (0.20)	$ (0.20)
Weighted average number of shares outstanding: Basic	32,042,000	29,717,000	30,541,000	29,696,000
Weighted average number of shares outstanding: Diluted	32,042,000	29,717,000	30,541,000	29,696,000