CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 20,268	$ 25,342
Prepaid expenses and other current assets	712	585
Total current assets	20,980	25,927
Property and equipment, net	714	796
Restricted cash	10	10
Intangible assets	60,500	60,500
Goodwill	16,864	16,864
Total assets	99,068	104,097
Current liabilities:
Accounts payable	1,214	1,667
Accrued expenses	1,897	1,774
Deferred revenue	0	425
Due to related party	115	114
Total current liabilities	3,226	3,980
Warrant liability	2	5
Deferred tax liability	16,335	16,335
Contingent consideration	46,600	45,100
Commitments and contingencies
Stockholders’ equity:
Preferred stock, $0.001 par value per share; 5,000,000 shares authorized at March 31, 2017 and December 31, 2016 and no shares issued and outstanding at March 31, 2017 and December 31, 2016	0	0
Common stock, $0.001 par value per share; 200,000,000 shares authorized at March 31, 2017 and December 31, 2016 and 24,683,026 and 24,531,964 shares issued and outstanding at March 31, 2017 and December 31, 2016, respectively	25	25
Additional paid-in capital	162,243	161,963
Accumulated deficit	(129,363)	(123,311)
Total stockholders’ equity	32,905	38,677
Total liabilities and stockholders’ equity	$ 99,068	$ 104,097