Balance Sheets (USD $)	Aug. 31, 2013	Aug. 31, 2012
Current assets:
Cash and cash equivalents	$ 9,450,528	$ 11,102,508
Accounts receivable, net of allowance for doubtful accounts of $20,000	899,969	289,587
Related party trade accounts receivable	24,201	33,257
Inventories, net	2,445,770	2,403,957
Other current assets	200,028	120,069
Total current assets	13,020,496	13,949,378
Property and equipment, net	1,319,880	1,412,639
Patents, net		4,032
Total assets	14,340,376	15,366,049
Current liabilities:
Accounts payable	521,417	195,754
Accrued liabilities	573,880	424,698
Customer deposits	317,480	24,980
Deferred revenue - current portion	730,593	96,865
Total current liabilities	2,143,370	742,297
Deferred revenue - net of current portion	53,115	126,420
Total liabilities	2,196,485	868,717
Commitments and contingencies
Stockholders' equity:
Preferred stock, $.001 par value; 10,000,000 shares authorized, no shares issued and outstanding
Common stock, $.001 par value, 80,000,000 shares authorized, 34,006,202 and 29,777,522 shares issued, respectively	34,007	29,778
Additional paid-in capital	57,739,056	51,845,035
Treasury stock, 24,331 shares at cost	(234)	(234)
Accumulated deficit	(45,628,938)	(37,377,247)
Total stockholders' equity	12,143,891	14,497,332
Total liabilities and stockholder's equity	$ 14,340,376	$ 15,366,049