CONSOLIDATED STATEMENTS OF OPERATIONS (USD $)	3 Months Ended		9 Months Ended
	May 31, 2012	May 31, 2011	May 31, 2012	May 31, 2011
SALES	$ 16,113,435	$ 12,913,331	$ 35,105,842	$ 30,858,396
COST OF SALES	13,306,308	10,483,142	28,741,219	24,856,594
GROSS PROFIT	2,807,127	2,430,189	6,364,623	6,001,802
Selling, general and administrative expenses	233,947	399,226	1,122,892	1,297,627
Depreciation and amortization	61,279	65,296	186,773	196,430
Wages and employee benefits	955,702	929,882	2,663,388	2,637,929
Total operating expenses	1,250,928	1,394,404	3,973,053	4,131,986
Income from operations	1,556,199	1,035,785	2,391,570	1,869,816
Loss on sale of property, plant and equipment		(6,988)		(2,652)
Interest and other income	7,234		7,234	23
Interest expense	(743)	(16,333)	(743)	(424,344)
Litigation gain (loss) (Note 12(a))			1,443,629	(962,137)
Total other items	6,491	(23,321)	1,450,120	(1,389,110)
Income before income taxes	1,562,690	1,012,464	3,841,690	480,706
Income taxes	625,600	408,140	1,552,793	225,768
Net income	$ 937,090	$ 604,324	$ 2,288,897	$ 254,938
Basic earnings per common share	$ 0.59	$ 0.30	$ 1.29	$ 0.12
Diluted earnings per common share	$ 0.59	$ 0.30	$ 1.29	$ 0.12
Basic	1,599,851	2,002,355	1,773,859	2,108,585
Diluted	1,599,851	2,002,355	1,773,859	2,108,585