Consolidated Statements of Cash Flows (USD $)	9 Months Ended
	May 31, 2014	May 31, 2013
Cash flows from operating activities
Net loss	$ (1,525,895)	$ (1,864,269)
Less income from discontinued operations, net of income taxes	0	(378,348)
Net loss before discontinued operations	(1,525,895)	(2,242,617)
Adjustments to reconcile net loss before discontinued operations to net cash from operating activities:
Depreciation and amortization	280,632	354,652
Gain on sale of investments available-for-sale and trading securities	(161,864)	(2,905,850)
Gain on sale of investment in real estate	0	(480,108)
Stock based compensation	148,023	60,121
Gain on sale of assets	0	(27,509)
Foreign currency exchange gains	(60,485)	(78,159)
Changes in operating assets and liabilities:
Accounts receivable	(710,724)	(41,787)
Interest receivable	(50,513)	17,307
Inventories	(11,677)	88,228
Prepaid expenses	34,464	247,071
Income tax receivable	569,430	0
Other assets	(42,243)	49,794
Accounts payable	(29,916)	(1,033,054)
Accrued liabilities	4,240,480	(107,475)
Cash from continuing activities	2,679,712	(6,099,386)
Cash from discontinued activities	0	378,348
Net cash from operating activities	2,679,712	(5,721,038)
Cash flows from investing activities
Sales proceeds of investments available-for-sale and trading securities	1,233,286	3,249,622
Sales proceeds of investment in real estate	0	2,365,017
Purchase of equipment	(231,280)	(8,045)
Sales proceeds of equipment	0	14,270
Cash from continuing activities	1,002,006	5,620,864
Cash from discontinued activities	0	396,871
Net cash from investing activities	1,002,006	6,017,735
Cash flows from financing activities
Principal payments on notes payable	(30,028)	(1,123,144)
Payments on capital lease	(108,776)	(86,055)
Cash from continuing activities	(138,804)	(1,209,199)
Cash from discontinued activities	0	0
Net cash from financing activities	(138,804)	(1,209,199)
Net change in cash and cash equivalents	3,542,914	(912,502)
Cash at beginning of period	13,585,447	10,638,217
Cash at end of period	17,128,361	9,725,715
Cash paid during the period for:
Interest	21,564	208,744
Income taxes	0	0
Non cash investing and financing activities:
Unrealized change in fair value of available-for-sale securities	3,766,295	773,164
Purchase of equipment under capital lease	$ 0	$ 115,359