Consolidated Balance Sheets - USD ($)	Aug. 31, 2018	Aug. 31, 2017
CURRENT ASSETS:
Cash and cash equivalents	$ 4,163,023	$ 6,360,201
Available for sale securities	3,300,110	3,766,984
Receivables:
Trade excluding joint ventures, less allowance for doubtful accounts of $50,000 as of August 31, 2018 and $40,000 at August 31, 2017	9,920,108	5,912,631
Trade joint ventures	761,506	691,752
Fees for services provided to joint ventures	1,357,255	1,302,944
Income taxes	273,333	137,256
Inventories	9,130,861	7,456,552
Prepaid expenses	1,661,577	439,298
Total current assets	30,567,773	26,067,618
PROPERTY AND EQUIPMENT, NET	7,168,826	7,359,662
OTHER ASSETS:
Investments in joint ventures	22,950,995	20,035,074
Deferred income taxes	1,551,536	1,756,565
Patents and trademarks, net	1,156,257	1,322,089
Other	153,849	71,685
Total other assets	25,812,637	23,185,413
Total assets	63,549,236	56,612,693
CURRENT LIABILITIES:
Accounts payable	3,905,034	2,676,610
Income taxes payable	70,892
Accrued liabilities:
Payroll and related benefits	2,747,303	1,540,386
Other	1,006,953	677,621
Total current liabilities	7,730,182	4,894,617
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, 2018 and 10,000,000 shares as of August 31, 2017; issued and outstanding 4,541,303 and 4,535,018, respectively	90,826	90,700
Additional paid-in capital	14,619,777	14,163,509
Retained earnings	41,963,341	37,077,483
Accumulated other comprehensive loss	(3,597,199)	(2,471,064)
Stockholders’ equity	53,076,745	48,860,628
Non-controlling interests	2,742,309	2,857,448
Total equity	55,819,054	51,718,076
Total liabilities and equity	$ 63,549,236	$ 56,612,693