CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 37,741	$ 48,121
Prepaid expenses and other current assets	3,727	6,326
Total current assets	41,468	54,447
Restricted cash	20	20
Property and equipment, net of accumulated depreciation of $820 and $758, respectively	185	238
Intangible assets	46,400	46,400
Goodwill	13,064	13,064
Other assets	76	196
Total Assets	101,213	114,365
Current liabilities:
Accounts payable	1,274	1,902
Accrued expenses	4,866	6,169
Other current liabilities	373	446
Total current liabilities	6,513	8,517
Contingent consideration	84,800	120,020
Deferred tax liability	12,528	12,528
Total Liabilities	103,841	141,065
Commitments and contingencies
Stockholders’ Deficit:
Preferred stock, $0.001 par value per share; 5,000,000 shares authorized at June 30, 2020 and December 31, 2019; no shares issued and outstanding at June 30, 2020 and December 31, 2019	0	0
Common stock, $0.001 par value per share; 200,000,000 shares authorized at June 30, 2020 and December 31, 2019; 116,627,653 and 106,801,409 shares issued and outstanding at June 30, 2020 and December 31, 2019, respectively	116	107
Additional paid-in capital	275,560	266,717
Accumulated deficit	(278,304)	(293,524)
Total Stockholders’ Deficit	(2,628)	(26,700)
Total Liabilities and Stockholders’ Deficit	$ 101,213	$ 114,365