Balance Sheets (USD $)	Aug. 31, 2014	Aug. 31, 2013
Current assets:
Cash and cash equivalents	$ 8,130,416	$ 9,450,528
Accounts receivable, net of allowance for doubtful accounts of $20,000	366,887	899,969
Related party trade accounts receivable	8,322	24,201
Inventories, net	2,329,189	2,445,770
Other current assets	146,319	200,028
Total current assets	10,981,133	13,020,496
Property and equipment, net	1,267,661	1,319,880
Total assets	12,248,794	14,340,376
Current liabilities:
Accounts payable	548,897	521,417
Accrued liabilities	866,528	573,880
Note payable	33,279
Customer deposits	41,781	317,480
Deferred revenue - current portion	96,043	730,593
Total current liabilities	1,586,528	2,143,370
Deferred revenue - net of current portion		53,115
Total liabilities	1,586,528	2,196,485
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, 39,713,540 and 34,006,202 shares issued, respectively	39,714	34,007
Additional paid-in capital	63,394,556	57,739,056
Treasury stock, 24,331 shares at cost	(234)	(234)
Accumulated deficit	(52,771,770)	(45,628,938)
Total stockholders' equity	10,662,266	12,143,891
Total liabilities and stockholders' equity	$ 12,248,794	$ 14,340,376