Consolidated Balance Sheets (USD $)	Aug. 31, 2013	Aug. 31, 2012
CURRENT ASSETS:
Cash and cash equivalents	$ 4,314,258	$ 4,137,547
Trade excluding joint ventures, less allowance for doubtful accounts of $20,000 at August 31, 2013 and 2012	3,329,995	2,516,961
Trade joint ventures	859,434	734,543
Fees for services provided to joint ventures	2,446,017	1,316,933
Income taxes	144,939	58,129
Inventories	5,111,549	4,151,197
Prepaid expenses	258,765	548,331
Deferred income taxes	467,548	596,085
Total current assets	16,932,505	14,059,726
PROPERTY AND EQUIPMENT, net	5,323,612	4,288,618
OTHER ASSETS:
Investments in joint ventures	24,702,981	21,461,492
Deferred income taxes	1,034,212	1,030,610
Patents and trademarks, net	1,060,639	961,181
Other		76,000
Total other assets	26,797,832	23,529,283
Total assets	49,053,949	41,877,627
CURRENT LIABILITIES:
Current portion of note payable (Note 8)	76,119	76,120
Accounts payable	1,830,729	1,818,309
Accrued liabilities:
Payroll and related benefits	1,277,942	1,565,866
Deferred joint venture royalties	288,000	288,000
Other	189,263	251,350
Total current liabilities	3,662,053	3,999,645
NOTE PAYABLE, NET OF CURRENT PORTION (Note 8)	857,295	933,413
COMMITMENTS AND CONTINGENCIES (Note 16)
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 10,000,000 shares; issued and outstanding 4,432,036 and 4,421,636, respectively	88,641	88,073
Additional paid-in capital	11,701,942	11,130,966
Retained earnings	28,626,928	25,260,034
Accumulated other comprehensive income	316,161	277,583
Stockholders’ equity	40,733,672	36,756,656
Non-controlling interests	3,800,929	187,913
Total equity	44,534,601	36,944,569
Total liabilities and equity	$ 49,053,949	$ 41,877,627