Consolidated Balance Sheets (Unaudited) - USD ($)	Dec. 31, 2016	Jun. 30, 2016
Current assets:
Cash and cash equivalents	$ 12,114,581	$ 8,002,668
Available-for-sale investments	1,375,959	1,380,556
Prepaid expenses and other current assets	838,260	1,313,841
Total current assets	14,328,800	10,697,065
Property and equipment, net	82,540	97,801
Other assets	56,916	63,213
Total assets	14,468,256	10,858,079
Current liabilities:
Accounts payable	4,706,014	713,890
Accrued expenses	7,446,825	7,767,733
Notes payable, net of discount and debt issuance costs	7,427,445	5,374,951
Capital lease obligations	28,214	27,424
Total current liabilities	19,608,498	13,883,998
Notes payable, net of discount and debt issuance costs, net of current portion	10,210,275	14,106,594
Capital lease obligations	0	14,324
Other non-current liabilities	607,488	439,130
Total liabilities	30,426,261	28,444,046
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 December 31, 2016 and June 30, 2016	40	40
Common stock of $0.01 par value - authorized 300,000,000 shares; issued and outstanding 133,423,837 shares as of December 31, 2016 and 68,568,055 shares as of June 30, 2016, respectively	1,334,238	685,680
Additional paid-in capital	349,204,164	325,142,509
Accumulated other comprehensive loss	(2,006)	(1,944)
Accumulated deficit	(366,494,441)	(343,412,252)
Total stockholders' (deficiency) equity	(15,958,005)	(17,585,967)
Total liabilities and stockholders' (deficiency) equity	$ 14,468,256	$ 10,858,079