Consolidated Balance Sheets (Unaudited) - USD ($)	Mar. 31, 2016	Jun. 30, 2015
Current assets:
Cash and cash equivalents	$ 21,767,276	$ 27,299,268
Available-for-sale investments	1,382,193	0
Prepaid expenses and other current assets	1,493,455	1,896,747
Total current assets	24,642,924	29,196,015
Property and equipment, net	107,632	123,158
Other assets	164,127	155,279
Total assets	24,914,683	29,474,452
Current liabilities:
Accounts payable	1,783,282	1,106,484
Accrued expenses	7,802,224	6,223,483
Notes payable, net of discount	3,475,518	0
Capital lease obligations	27,028	25,871
Total current liabilities	13,088,052	7,355,838
Notes payable, net of discount, net of current portion	16,149,855	9,781,086
Capital lease obligations	21,330	41,749
Other non-current liabilities	352,174	91,304
Total liabilities	29,611,411	17,269,977
Stockholders' (deficiency) equity:
Preferred stock of $0.01 par value - authorized 10,000,000 shares; Series A Convertible; issued and outstanding 4,030 shares as of March 31, 2016 and 4,697 shares as of June 30, 2015, respectively	40	47
Common stock of $0.01 par value - authorized 300,000,000 shares; issued and outstanding 68,040,008 shares as of March 31, 2016 and 57,128,433 shares as of June 30, 2015, respectively	680,400	571,284
Additional paid-in capital	324,680,839	303,332,460
Accumulated other comprehensive loss	(2,570)	0
Accumulated deficit	(330,055,437)	(291,699,316)
Total stockholders' (deficiency) equity	(4,696,728)	12,204,475
Total liabilities and stockholders' (deficiency) equity	$ 24,914,683	$ 29,474,452