CONSOLIDATED STATEMENTS OF INCOME AND COMPREHENSIVE INCOME (USD $)	12 Months Ended
	May 31, 2013	May 31, 2012
Income Statement
Revenue	$ 7,220,840	$ 8,423,049
Other income and gains	141,560	209,154
Service costs	4,729,921	5,224,044
Personnel cost	818,713	1,232,640
Provision for obsolete inventories		31,703
Depreciation expense	651,531	647,538
Amortization expense	121,632	121,632
Administrative and other operating expense	706,518	786,722
Income before provision for income taxes	334,085	587,924
Provision for income taxes	284,680	329,938
Net income	49,405	257,986
Other comprehensive income
Gain on foreign currency translation	151,914	136,254
Total comprehensive income	$ 201,319	$ 394,240
Net income per share, basic and diluted
Weighted average number of shares	282,315,325	282,315,325