Consolidated Balance Sheets - USD ($)	Aug. 31, 2017	Aug. 31, 2016
CURRENT ASSETS:
Cash and cash equivalents	$ 6,360,201	$ 3,395,274
Available for sale securities	3,766,984	2,243,864
Trade excluding joint ventures, less allowance for doubtful accounts of $40,000 at both August 31, 2017 and 2016	5,912,631	4,755,320
Trade joint ventures	691,752	791,903
Fees for services provided to joint ventures	1,302,944	1,406,587
Income taxes	137,256	215,905
Inventories	7,456,552	7,711,287
Prepaid expenses	439,298	422,031
Total current assets	26,067,618	20,942,171
PROPERTY AND EQUIPMENT, NET	7,359,662	7,275,872
OTHER ASSETS:
Investments in joint ventures	20,035,074	19,840,774
Deferred income taxes	1,756,565	1,639,762
Patents and trademarks, net	1,322,089	1,278,597
Other	71,685	92,874
Total other assets	23,185,413	22,852,007
Total assets	56,612,693	51,070,050
CURRENT LIABILITIES:
Accounts payable	2,676,610	2,753,903
Accrued liabilities:
Payroll and related benefits	1,540,386	938,363
Other	677,621	301,836
Total current liabilities	4,894,617	3,994,102
COMMITMENTS AND CONTINGENCIES (Note 16)
EQUITY:
Preferred stock, no par value; authorized 10,000 shares; none issued and outstanding
Common stock, $0.02 par value per share; authorized 10,000,000 shares; issued and outstanding 4,535,018 and 4,533,416, respectively	90,700	90,668
Additional paid-in capital	14,163,509	13,798,567
Retained earnings	37,077,483	33,655,357
Accumulated other comprehensive loss	(2,471,064)	(3,009,617)
Stockholders’ equity	48,860,628	44,534,975
Non-controlling interests	2,857,448	2,540,973
Total equity	51,718,076	47,075,948
Total liabilities and equity	$ 56,612,693	$ 51,070,050