Balance Sheets (USD $)	May 31, 2013	Aug. 31, 2012
Current assets:
Cash and cash equivalents	$ 10,882,122	$ 11,102,508
Accounts receivable, net of allowance for doubtful accounts of $20,000	1,199,843	289,587
Related party trade accounts receivable	24,823	33,257
Inventories, net	2,309,299	2,403,957
Other current assets	201,609	120,069
Total current assets	14,617,696	13,949,378
Property and equipment, net	1,333,289	1,412,639
Patents, net		4,032
Total assets	15,950,985	15,366,049
Current liabilities:
Accounts payable	385,334	195,754
Accrued liabilities	423,419	424,698
Customer deposits	876,230	24,980
Deferred revenue - current portion	133,309	96,865
Total current liabilities	1,818,292	742,297
Deferred revenue - net of current portion	59,216	126,420
Total liabilities	1,877,508	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	34,006	29,778
Additional paid-in capital	57,466,759	51,845,035
Treasury stock, 24,331 shares at cost	(234)	(234)
Accumulated deficit	(43,427,054)	(37,377,247)
Total stockholders' equity	14,073,477	14,497,332
Total liabilities and stockholders' equity	$ 15,950,985	$ 15,366,049