Consolidated Balance Sheets (Unaudited) (USD $)	Dec. 31, 2011	Jun. 30, 2011
Statement of Financial Position [Abstract]
Cash and cash equivalents	$ 11,898,403	$ 18,869,639
Accounts receivable	1,068,233	131,149
Prepaid expenses and other current assets	814,673	261,947
Total current assets	13,781,309	19,262,735
Property and equipment, net	804,244	1,305,331
Restricted cash	350,000	350,000
Other assets	59,512	254,787
Total assets	14,995,065	21,172,853
Capital lease obligations	25,106	34,923
Accounts payable	580,569	496,908
Accrued compensation		374,094
Unearned revenue	7,396	46,105
Accrued expenses	1,594,537	1,854,007
Total current liabilities	2,207,608	2,806,037
Capital lease obligations	31,260	42,186
Deferred rent	91,285	132,855
Total liabilities	2,330,153	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 December 31, 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 December 31, 2011 and June 30, 2011, respectively	349,006	349,006
Additional paid-in capital	240,285,146	239,832,826
Accumulated deficit	(227,969,290)	(221,990,107)
Total stockholders' equity	12,664,912	18,191,775
Total liabilities and stockholders' equity	$ 14,995,065	$ 21,172,853