Consolidated Balance Sheets (Current Period Unaudited) - USD ($)	May. 31, 2015	Aug. 31, 2014
CURRENT ASSETS:
Cash and cash equivalents	$ 3,793,571	$ 2,477,017
Available for sale securities	2,527,847	5,519,766
Receivables:
Trade excluding joint ventures, less allowance for doubtful accounts of $40,000 at May 31, 2015 and August 31, 2014	4,293,038	3,596,247
Trade joint ventures	626,948	951,286
Fees for services provided to joint ventures	1,354,901	2,612,899
Income taxes	178,110	762
Inventories	6,732,441	5,961,399
Prepaid expenses	527,597	411,226
Deferred income taxes	789,364	789,364
Total current assets	20,823,817	22,319,966
PROPERTY AND EQUIPMENT, NET	7,136,334	6,477,987
OTHER ASSETS:
Investments in joint ventures	19,644,767	22,961,989
Investments at carrying value (Note 6)	1,883,668
Deferred income taxes	970,783	943,279
Patents and trademarks, net	1,270,739	1,197,700
Other	141,303	156,854
Total other assets	23,911,260	25,259,822
Total assets	51,871,411	54,057,775
CURRENT LIABILITIES:
Accounts payable	2,117,239	2,225,029
Accrued liabilities:
Payroll and related benefits	1,038,931	1,847,246
Deferred joint venture royalties	288,000	288,000
Other	81,523	106,380
Total current liabilities	$ 3,525,693	$ 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 4,525,109 and 4,504,552, respectively	90,502	90,092
Additional paid-in capital	13,211,987	12,676,546
Retained earnings	34,518,356	32,733,300
Accumulated other comprehensive income	(3,125,074)	253,925
Stockholders’ equity	44,695,771	45,753,863
Non-controlling interest	3,649,947	3,837,257
Total equity	48,345,718	49,591,120
Total liabilities and equity	$ 51,871,411	$ 54,057,775