CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) (USD $)	6 Months Ended
	Nov. 30, 2011	Nov. 30, 2010
Cash flows from operating activities
Net income	$ 39,695	$ 462,308
Adjustments to reconcile net income to net cash provided by operating activities:
Deferred tax	(9,700)
Amortization expense	(60,670)	(58,227)
Depreciation expense	(324,686)	(223,727)
Changes in operating assets and liabilities:
Decrease in accounts receivable	518,952	126,345
Decrease/(increase) in inventories	70	(18)
Decrease in other receivables and deposits	95,416	112,512
Decrease/(increase) in tax recoverable	61,517	(192,852)
Increase/(decrease) in deferred income	25,149	(132,210)
Decrease in accounts payable	(381,510)	(138,684)
Increase in tax payables	146,159	68,951
Increase in accrued liabilities and other payables	62,018	126,944
Net cash provided by operating activities	943,122	715,250
Cash flows from investing activities
Purchase of property, plant and equipment	(69,064)	(153,322)
Acquisition of RedTone		21,144
(Increase)/decrease in amount due from a related company	(1,533,188)	81,721
Purchase of available-for-sale investment	(790,361)
Net cash used in investing activities	(2,392,613)	(50,457)
Cash flows from financing activities
(Decrease)/increase in amount due to related companies	(24,951)	(58,104)
Net cash used in financing activities	(24,951)	(58,104)
Net (decrease)/increase in cash and cash equivalents	(1,474,442)	606,689
Effect of exchange rate changes on cash and cash equivalents	101,435	163,050
Cash and cash equivalents at beginning of period	4,580,189	4,319,834
Cash and cash equivalents at end of period	3,207,182	5,089,573
Cash paid for interest
Cash paid for income taxes	$ 8,772	$ 40,257