Consolidated Balance Sheets (Current Period Unaudited) (USD $)	Feb. 28, 2015	Aug. 31, 2014
CURRENT ASSETS:
Cash and cash equivalents	$ 3,365,389	$ 2,477,017
Available for sale securities	3,524,985	5,519,766
Trade excluding joint ventures, less allowance for doubtful accounts of $40,000 at February 28, 2015 and August 31, 2014, respectively	3,623,418	3,596,247
Trade joint ventures	784,732	951,286
Fees for services provided to joint ventures	1,484,058	2,612,899
Income taxes	275,352	762
Inventories	5,981,435	5,961,399
Prepaid expenses	551,816	411,226
Deferred income taxes	789,364	789,364
Total current assets	20,380,549	22,319,966
PROPERTY AND EQUIPMENT, NET	7,091,428	6,477,987
OTHER ASSETS:
Investments in joint ventures	18,377,038	22,961,989
Investments at carrying value (Note 7)	1,883,668
Deferred income taxes	943,279	943,279
Patents and trademarks, net	1,260,574	1,197,700
Other	167,965	156,854
Total other assets	22,632,524	25,259,822
Total assets	50,104,501	54,057,775
CURRENT LIABILITIES:
Accounts payable	1,543,721	2,225,029
Accrued liabilities:
Payroll and related benefits	554,774	1,847,246
Deferred joint venture royalties	288,000	288,000
Other	154,451	106,380
Total current liabilities	2,540,946	4,466,655
COMMITMENTS AND CONTINGENCIES (Note 14)
EQUITY:
Preferred stock, no par value; authorized 10,000 shares; none issued and outstanding	0	0
Common stock, $0.02 par value per share; authorized 10,000,000 shares; issued and outstanding 4,523,160 and 4,504,552, respectively	90,463	90,092
Additional paid-in capital	13,059,404	12,676,546
Retained earnings	33,612,921	32,733,300
Accumulated other comprehensive (loss) income	(2,719,047)	253,925
Stockholders’ equity	44,043,741	45,753,863
Non-controlling interest	3,519,814	3,837,257
Total equity	47,563,555	49,591,120
Total liabilities and equity	$ 50,104,501	$ 54,057,775