Consolidated Balance Sheets (Unuadited) (USD $)	Dec. 31, 2013	Jun. 30, 2013
Current assets:
Cash and cash equivalents	$ 16,681,727	$ 19,167,632
Short-term investments	1,500,000	5,249,654
Prepaid expenses and other current assets	300,210	332,267
Total current assets	18,481,937	24,749,553
Property and equipment, net	216,086	266,415
Other assets	57,718	58,131
Total assets	18,755,741	25,074,099
Current liabilities:
Capital lease obligations	8,115	19,909
Accounts payable	290,992	338,726
Accrued expenses	2,176,734	1,701,727
Unearned revenue	1,000,000
Total current liabilities	3,475,841	2,060,362
Deferred rent	16,851	35,460
Total liabilities	3,492,692	2,095,822
Stockholders' equity:
Preferred stock of $.01 par value - authorized 10,000,000 shares; Series A Convertible; issued and outstanding 4,697 shares as of December 31, 2013 and June 30, 2013	47	47
Common stock of $.01 par value - authorized 300,000,000 shares; issued and outstanding 39,191,655 shares as of December 31, 2013 and 39,116,948 as of June 30, 2013, respectively	391,917	391,169
Additional paid-in capital	283,072,187	282,692,520
Accumulated deficit	(268,201,102)	(260,105,459)
Total stockholders' equity	15,263,049	22,978,277
Total liabilities and stockholders' equity	$ 18,755,741	$ 25,074,099