Consolidated Balance Sheets (Unaudited) - USD ($)	Dec. 31, 2017	Jun. 30, 2017
Current assets:
Cash and cash equivalents	$ 34,958,048	$ 40,200,324
Available-for-sale investments	0	249,837
Accounts receivable	0	15,116,822
Prepaid expenses and other current assets	1,288,504	1,011,221
Total current assets	36,246,552	56,578,204
Property and equipment, net	178,767	198,153
Other assets	556,916	56,916
Total assets	36,982,235	56,833,273
Current liabilities:
Accounts payable	703,767	1,551,367
Accrued expenses	5,527,776	10,521,098
Notes payable, net of discount and debt issuance costs	7,889,152	7,824,935
Capital lease obligations	0	14,324
Deferred revenue	9,548,228	35,050,572
Total current liabilities	23,668,923	54,962,296
Notes payable, net of discount and debt issuance costs	2,321,124	6,281,660
Deferred revenue	500,000	0
Other non-current liabilities	866,135	753,961
Total liabilities	27,356,182	61,997,917
Stockholders' equity (deficiency):
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, 2017 and June 30, 2017	40	40
Common stock of $0.01 par value - authorized 300,000,000 shares: issued and outstanding 195,373,239 shares as of December 31, 2017 and 160,515,361 shares as of June 30, 2017, respectively	1,953,732	1,605,153
Additional paid-in capital	350,787,078	349,974,538
Accumulated other comprehensive loss	0	(590)
Accumulated deficit	(343,114,797)	(356,743,785)
Total stockholders' equity (deficiency)	9,626,053	(5,164,644)
Total liabilities and stockholders' equity (deficiency)	$ 36,982,235	$ 56,833,273