Condensed Consolidated Balance Sheets (Unaudited) (USD $) In Thousands	Jun. 30, 2011	Dec. 31, 2010
Current assets:
Cash and cash equivalents	$ 17,933	$ 6,891
Prepaid expenses and other current assets	259	150
Total current assets	18,192	7,041
Equipment and furnishings, net	436	419
In-process research & development (Note 2)	12,864	0
Goodwill	845	0
Deposits	16	16
Total assets	32,353	7,476
Current liabilities:
Accounts payable	1,065	724
Accrued expenses and other current liabilities	1,785	1,113
Deferred revenue	578	0
Current maturities of capital lease obligations	59	51
Fair value of stock options modified (Note 7)	682	0
Fair value of warrants potentially settleable in cash (Note 7)	11,882	3,138
Current contingent purchase price consideration	768	0
Total current liabilities	16,819	5,026
Capital lease obligations, net of current maturities	10	20
Contingent purchase price consideration, net of current portion	5,664	0
Total liabilities	22,493	5,046
Commitments and contingencies (Note 6)
Stockholders' equity:
Preferred stock, $0.0001 par value; 5,000,000 shares authorized; no shares issued and outstanding	0	0
Common stock, $0.0001 par value; 50,000,000 shares authorized; 42,511,800 shares issued and 41,836,800 shares outstanding and 19,047,759 shares issued and 18,372,759 outstanding at June 30, 2011 and December 31, 2010, respectively	4	2
Additional paid-in capital	74,675	62,020
Deficit accumulated during the developmental stage	(60,970)	(55,743)
Less treasury shares at cost, 675,000 shares	(3,849)	(3,849)
Total stockholders' equity	9,860	2,430
Total liabilities and stockholders' equity	$ 32,353	$ 7,476