Consolidated Statements of Cash Flows - USD ($)	6 Months Ended
	Feb. 28, 2015	Feb. 28, 2014
Cash flows from operating activities
Net loss	$ (2,720,293)	$ (1,226,426)
Adjustments to reconcile net loss to net cash from operating activities:
Depreciation and amortization	173,080	194,844
Gain on sale of investments available-for-sale and trading securities	0	(161,864)
Stock based compensation	98,682	98,682
Gain on sale of assets	(2,750)	0
Foreign currency exchange (gains) losses	301,419	(70,971)
Changes in operating assets and liabilities:
Accounts receivable	374,700	(398,685)
Accounts receivable, other	24,925	(24,931)
Interest receivable	17,581	(6,477)
Inventories	36,058	7,123
Prepaid expenses	154,919	71,577
Accounts payable	378,987	71,045
Accrued liabilities	(1,021,710)	4,148,276
Net cash from operating activities	(2,184,402)	2,702,193
Cash flows from investing activities
Sales proceeds of investments available-for-sale and trading securities	0	1,233,286
Purchase of equipment	(309,617)	(106,079)
Sales proceeds of equipment	2,750	0
Net cash from investing activities	(306,867)	1,127,207
Cash flows from financing activities
Principal payments on notes payable	(6,734)	(19,905)
Purchase of treasury stock	(27,061)	0
Payments on capital lease	(11,880)	(101,915)
Net cash from financing activities	(45,675)	(121,820)
Net change in cash and cash equivalents	(2,536,944)	3,707,580
Cash at beginning of period	16,819,504	13,585,447
Cash at end of period	14,282,560	17,293,027
Cash paid during the period for:
Interest	1,534	20,130
Income taxes	0	0
Non cash investing and financing activities:
Unrealized change in fair value of available-for-sale securities	$ (2,491,498)	$ 2,571,312