Condensed Balance Sheets (USD $)	Feb. 28, 2014	Aug. 31, 2013
Current assets:
Cash and cash equivalents	$ 7,023,187	$ 9,450,528
Accounts receivable, net of allowance for doubtful accounts of $20,000	669,988	899,969
Related party trade accounts receivable	5,026	24,201
Inventories, net	2,430,385	2,445,770
Other current assets	153,565	200,028
Total current assets	10,282,151	13,020,496
Property and equipment, net	1,286,087	1,319,880
Total assets	11,568,238	14,340,376
Current liabilities:
Accounts payable	334,085	521,417
Accrued liabilities	623,179	573,880
Customer deposits	324,630	317,480
Deferred revenue - current portion	693,808	730,593
Total current liabilities	1,975,702	2,143,370
Deferred revenue - net of current portion	13,038	53,115
Total liabilities	1,988,740	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, 34,006,202 shares issued	34,007	34,007
Additional paid-in capital	58,157,627	57,739,056
Treasury stock, 24,331 shares at cost	(234)	(234)
Accumulated deficit	(48,611,902)	(45,628,938)
Total stockholders' equity	9,579,498	12,143,891
Total liabilities and stockholder's equity	$ 11,568,238	$ 14,340,376