Consolidated Balance Sheets (Current Period Unaudited) - USD ($)	Feb. 28, 2019	Aug. 31, 2018
CURRENT ASSETS:
Cash and cash equivalents	$ 4,936,377	$ 4,163,023
Available for sale securities	1,227,268	3,300,110
Receivables:
Trade excluding joint ventures, less allowance for doubtful accounts of $65,000 at February 28, 2019 and $50,000 at August 31, 2018	9,329,725	9,920,108
Trade joint ventures	679,349	761,506
Fees for services provided to joint ventures	1,338,493	1,357,255
Income taxes	515,448	273,333
Inventories	11,304,475	9,130,861
Prepaid expenses	1,457,059	1,661,577
Total current assets	30,788,194	30,567,773
PROPERTY AND EQUIPMENT, NET	7,229,398	7,168,826
OTHER ASSETS:
Investments in joint ventures	24,418,491	22,950,995
Deferred income taxes	1,420,791	1,551,536
Patents and trademarks, net	1,084,313	1,156,257
Other	153,846	153,849
Total other assets	27,077,441	25,812,637
Total assets	65,095,033	63,549,236
CURRENT LIABILITIES:
Accounts payable	4,307,450	3,905,034
Income taxes payable	8,555	70,892
Accrued liabilities:
Payroll and related benefits	1,137,209	2,747,303
Other	1,154,948	1,006,953
Total current liabilities	6,608,162	7,730,182
COMMITMENTS AND CONTINGENCIES (Note 12)
EQUITY:
Preferred stock, no par value; authorized 10,000 shares; none issued and outstanding
Common stock, $0.02 par value per share; authorized 15,000,000 shares; issued and outstanding 4,542,177 and 4,541,303, respectively	90,844	90,826
Additional paid-in capital	15,353,400	14,619,777
Retained earnings	43,771,843	41,963,341
Accumulated other comprehensive loss	(3,742,258)	(3,597,199)
Stockholders’ equity	55,473,829	53,076,745
Non-controlling interest	3,013,042	2,742,309
Total equity	58,486,871	55,819,054
Total liabilities and equity	$ 65,095,033	$ 63,549,236