Condensed Balance Sheets (USD $)	May 31, 2014	Aug. 31, 2013
Current assets:
Cash and cash equivalents	$ 5,174,602	$ 9,450,528
Accounts receivable, net of allowance for doubtful accounts of $20,000	404,991	899,969
Related party trade accounts receivable	221,170	24,201
Inventories, net	2,242,985	2,445,770
Other current assets	193,266	200,028
Total current assets	8,237,014	13,020,496
Property and equipment, net	1,292,214	1,319,880
Total assets	9,529,228	14,340,376
Current liabilities:
Accounts payable	499,739	521,417
Accrued liabilities	431,685	573,880
Note payable	57,852
Customer deposits	99,650	317,480
Deferred revenue - current portion	453,047	730,593
Total current liabilities	1,541,973	2,143,370
Deferred revenue - net of current portion		53,115
Total liabilities	1,541,973	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, 34,199,463 and 34,006,202 shares issued, respectively	34,200	34,007
Additional paid-in capital	58,561,526	57,739,056
Stock subscriptions receivable	(7,485)
Treasury stock, 24,331 shares at cost	(234)	(234)
Accumulated deficit	(50,600,752)	(45,628,938)
Total stockholders' equity	7,987,255	12,143,891
Total liabilities and stockholder's equity	$ 9,529,228	$ 14,340,376