CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Assets
Cash and cash equivalents	$ 14,680	$ 25,342
Prepaid expenses and other current assets	301	585
Total current assets	14,981	25,927
Property and equipment, net	522	796
Restricted cash	10	10
Intangible assets	46,400	60,500
Goodwill	13,064	16,864
Other assets	120	0
Total assets	75,097	104,097
Current liabilities:
Accounts payable	907	1,667
Accrued expenses	3,813	1,774
Deferred revenue, current portion	0	425
Due to related party	0	114
Total current liabilities	4,720	3,980
Other liabilities	215	0
Warrant liability	0	5
Deferred tax liability	12,528
Deferred tax liability		16,335
Contingent consideration	39,600	45,100
Commitments and contingencies (Note 9)
Stockholders’ equity:
Preferred stock, $0.001 par value per share; 5,000,000 shares authorized at December 31, 2017 and 2016 and no shares issued and outstanding at December 31, 2017 and 2016	0	0
Common stock, $0.001 par value per share; 200,000,000 shares authorized at December 31, 2017 and 2016 and 34,702,565 and 24,531,964 shares issued and outstanding at December 31, 2017 and 2016, respectively	35	25
Additional paid-in capital	170,330	161,963
Accumulated deficit	(152,331)	(123,311)
Total stockholders’ equity	18,034	38,677
Total liabilities and stockholders’ equity	$ 75,097	$ 104,097