Consolidated Balance Sheets (USD $)	Aug. 31, 2012	Aug. 31, 2011
Current assets:
Cash and cash equivalents	$ 23,580,000	$ 15,172,000
Restricted cash	169,000	114,000
Short-term Investments	15,307,000	0
Prepaid expenses and other	3,111,000	416,000
Total current assets	42,167,000	15,702,000
Intangible assets, net	2,205,000	3,251,000
Goodwill	3,275,000	3,275,000
Fixed assets, net	403,000	77,000
Deposits	105,000	105,000
Deferred offering costs	134,000	152,000
Total assets	48,289,000	22,562,000
Current liabilities:
Accounts payable	1,601,000	847,000
Accrued liabilities	2,652,000	2,249,000
Common Stock Warrant Liability	17,266,000	23,575,000
Deferred rent	14,000	24,000
Capital lease liability - current	8,000	4,000
Total current liabilities	21,541,000	26,699,000
Capital lease liability - long-term	13,000	10,000
Total liabilities	21,554,000	26,709,000
Commitments and contingencies
Stockholders' equity (deficit):
Preferred stock, $0.001 par value, 15,000,000 shares authorized, zero shares issued and outstanding	0	0
Common stock, $0.001 par value, 150,000 shares authorized 50,568 and 35,569 shares issued and outstanding as at August 31, 2012 and 2011, respectively	51,000	35,569
Additional paid-in capital	143,380,000	73,817,000
Accumulated other comprehensive income (loss)	(50,000)	2,000
Deficit accumulated during development stage	(116,646,000)	(78,002,000)
Total stockholders' equity (deficit)	26,735,000	(4,147,000)
Total liabilities and stockholders' equity (deficit)	$ 48,289,000	$ 22,562,000