CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Current assets:
Cash and cash equivalents	$ 90,438	$ 119,302
Accounts receivable, net	1,519	109
Other current assets	5,967	2,515
Total current assets	97,924	121,926
Fixed assets, at cost, net of accumulated depreciation and amortization	2,428	2,552
Intangible assets, net (Note 4)	28,700	28,700
Goodwill	7,702	7,702
Other assets	158	157
Total assets	136,912	161,037
Current liabilities:
Accounts payable and accrued expenses	9,827	6,570
Other current liabilities	115	115
Total current liabilities	9,942	6,685
Contingent consideration liability	18,100	17,200
Deferred tax liability - long term	11,332	11,332
Other liabilities	874	911
Total liabilities	$ 40,248	$ 36,128
Commitments and contingencies (Note 8)
Stockholders' equity:
Preferred stock, $.001 par value; 20,000,000 shares authorized; issued and outstanding - none	$ 0	$ 0
Common stock, $.0013 par value; 160,000,000 shares authorized; issued - 70,005,555 in 2015 and 69,832,949 in 2014	91	91
Additional paid-in capital	593,546	589,826
Accumulated deficit	(494,232)	(462,267)
Treasury stock, at cost (200,000 shares in 2015 and 2014)	(2,741)	(2,741)
Total stockholders' equity	96,664	124,909
Total liabilities and stockholders' equity	$ 136,912	$ 161,037