Consolidated Balance Sheets (Unaudited) (USD $)	Sep. 30, 2011	Jun. 30, 2011
Statement of Financial Position [Abstract]
Cash and cash equivalents	$ 14,883,613	$ 18,869,639
Accounts receivable		131,149
Prepaid expenses and other current assets	403,062	261,947
Total current assets	15,286,675	19,262,735
Property and equipment, net	1,050,329	1,305,331
Restricted cash	350,000	350,000
Other assets	155,069	254,787
Total assets	16,842,073	21,172,853
Capital lease obligations	30,078	34,923
Accounts payable	336,206	496,908
Accrued compensation		374,094
Unearned revenue	18,888	46,105
Accrued expenses	1,271,970	1,854,007
Total current liabilities	1,657,142	2,806,037
Capital lease obligations	36,775	42,186
Deferred rent	100,589	132,855
Total liabilities	1,794,506	2,981,078
Preferred stock of $.01 par value-authorized 10,000,000 shares; Series A Convertible; issued and outstanding 4,997 shares as of September 30, 2011 and June 30, 2011, respectively	50	50
Common stock of $.01 par value - authorized 100,000,000 shares; issued and outstanding 34,900,591 shares as of September 30, 2011 and June 30, 2011, respectively	349,006	349,006
Additional paid-in capital	240,043,099	239,832,826
Accumulated deficit	(225,344,588)	(221,990,107)
Total stockholders' equity	15,047,567	18,191,775
Total liabilities and stockholders' equity	$ 16,842,073	$ 21,172,853