Consolidated Balance Sheets (Current Period Unaudited) - USD ($)	Feb. 28, 2022	Aug. 31, 2021
CURRENT ASSETS:
Cash and cash equivalents	$ 7,487,811	$ 7,680,641
Available for sale securities	4,634	4,634
Receivables:
Trade, excluding joint ventures, less allowance for doubtful accounts of $382,000 as of February 28, 2022 and August 31, 2021	12,457,917	11,128,805
Trade, joint ventures	905,961	624,808
Fees for services provided to joint ventures	1,078,702	1,505,127
Income taxes	570,483	386,574
Inventories	12,978,217	11,114,207
Prepaid expenses	3,113,898	1,302,293
Total current assets	38,597,623	33,747,089
PROPERTY AND EQUIPMENT, NET	12,336,699	11,821,458
OTHER ASSETS:
Investments in joint ventures	21,852,070	27,623,768
Deferred income taxes	0	92,554
Goodwill	4,782,376	0
Operating lease right of use asset	528,645	376,438
Total other assets	34,016,329	28,802,332
Total assets	84,950,651	74,370,879
CURRENT LIABILITIES:
Accounts payable	5,948,430	4,290,972
Line of credit	4,200,000	0
Income taxes payable	152,183	178,923
Accrued liabilities:
Payroll and related benefits	1,694,506	2,879,468
Other	1,091,861	894,497
Current portion of operating lease	184,206	272,336
Total current liabilities	13,271,186	8,516,196
LONG-TERM LIABILITIES:
Deferred income tax, net	1,897,259	0
Operating lease, less current portion	344,439	104,102
Total long-term liabilities	2,241,698	104,102
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 15,000,000 shares as ofFebruary 28, 2022 and August 31, 2021; issued and outstanding 9,221,517 and 9,184,811, respectively	184,430	183,696
Additional paid-in capital	19,379,032	18,736,268
Retained earnings	50,361,066	46,973,092
Accumulated other comprehensive loss	(3,858,689)	(3,525,030)
Stockholders’ equity	66,065,839	62,368,026
Non-controlling interests	3,371,928	3,382,555
Total equity	69,437,767	65,750,581
Total liabilities and equity	84,950,651	74,370,879
Patents and Trademarks [Member]
OTHER ASSETS:
Intangible assets, net	717,805	709,572
Intangible Assets Excluding Patents and Trademarks [Member]
OTHER ASSETS:
Intangible assets, net	$ 6,135,433	$ 0