CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents	$ 34,709	$ 29,730
Restricted cash	401	401
Litigation settlement insurance recovery	1,700	21,700
Prepaid expenses and other current assets	1,051	1,398
Current assets of discontinued operations, net	88	392
Total current assets	37,949	53,621
Equipment and furnishings, net	299	335
In-process research and development	12,864	12,864
GALE-401 rights	9,255	9,255
Goodwill	5,898	5,898
Deposits and other assets	100	171
Total assets	66,365	82,144
Current liabilities:
Accounts payable	1,019	1,597
Accrued expenses and other current liabilities	4,042	5,292
Litigation settlement payable	5,000	25,000
Fair value of warrants potentially settleable in cash	23,934	14,518
Current portion of long-term debt	3,740	4,739
Current liabilities of discontinued operations	4,487	5,925
Total current liabilities	42,222	57,071
Deferred tax liability	5,418	5,418
Contingent purchase price consideration	6,312	6,142
Total liabilities	$ 53,952	$ 68,631
Commitments and contingencies
Stockholders' equity:
Common stock, $0.0001 par value; 275,000,000 shares authorized, 182,512,117 shares issued and 181,837,117 shares outstanding at March 31, 2016; 275,000,000 shares authorized, 162,581,753 shares issued and 161,906,753 shares outstanding at December 31, 2015	$ 18	$ 15
Additional paid-in capital	312,120	296,730
Accumulated deficit	295,876	279,383
Less treasury shares at cost, 675,000 shares	(3,849)	(3,849)
Total stockholders’ equity	12,413	13,513
Total liabilities and stockholders' equity	$ 66,365	$ 82,144