Consolidated Balance Sheets - USD ($)	Aug. 31, 2019	Aug. 31, 2018
CURRENT ASSETS:
Cash and cash equivalents	$ 5,856,758	$ 4,163,023
Available for sale securities	3,565,258	3,300,110
Receivables:
Trade excluding joint ventures, less allowance for doubtful accounts of $65,000 as of August 31, 2019 and $50,000 as of August 31, 2018	9,779,518	9,920,108
Trade joint ventures	824,473	761,506
Fees for services provided to joint ventures	1,268,000	1,357,255
Income taxes	457,018	273,333
Inventories	10,488,728	9,130,861
Prepaid expenses	1,062,609	1,661,577
Total current assets	33,302,362	30,567,773
PROPERTY AND EQUIPMENT, NET	7,358,159	7,168,826
OTHER ASSETS:
Investments in joint ventures	24,207,339	22,950,995
Deferred income taxes	1,634,258	1,551,536
Patents and trademarks, net	1,008,969	1,156,257
Other		153,849
Total other assets	26,850,566	25,812,637
Total assets	67,511,087	63,549,236
CURRENT LIABILITIES:
Accounts payable	4,505,531	3,905,034
Income taxes payable	6,759	70,892
Accrued liabilities:
Payroll and related benefits	1,857,971	2,747,303
Other	1,471,532	1,006,953
Total current liabilities	7,841,793	7,730,182
COMMITMENTS AND CONTINGENCIES (Note 15)
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 as of August 31, 2019 and August 31, 2018; issued and outstanding 9,086,816 and 9,082,606, respectively	181,736	181,652
Additional paid-in capital	16,013,338	14,528,951
Retained earnings	44,992,719	41,963,341
Accumulated other comprehensive loss	(4,593,178)	(3,597,199)
Stockholders’ equity	56,594,615	53,076,745
Non-controlling interests	3,074,679	2,742,309
Total equity	59,669,294	55,819,054
Total liabilities and equity	$ 67,511,087	$ 63,549,236