Statements of Cash Flows (USD $)	3 Months Ended
	Nov. 30, 2013	Nov. 30, 2012
Cash flows from operating activities:
Net loss and comprehensive loss	$ (1,512,861)	$ (2,218,664)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	30,121	37,272
Stock-based compensation	216,229	289,912
Decrease (increase) in:
Receivables	(266,923)	(170,244)
Inventories	(184,644)	59,899
Other current assets	39,074	(16,304)
Increase (decrease) in:
Accounts payable	(9,544)	14,590
Accrued liabilities	(157,840)	34,756
Customer deposits	17,097	16,270
Deferred revenue	(29,193)	(3,318)
Net cash used in operating activities	(1,858,484)	(1,955,831)
Cash flows from investing activities:
Purchase of property and equipment	(11,776)	(4,160)
Cash flows from financing activities
Net decrease in cash and cash equivalents	(1,870,260)	(1,959,991)
Cash and cash equivalents, beginning of period	9,450,528	11,102,508
Cash and cash equivalents, end of period	$ 7,580,268	$ 9,142,517