CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Current Assets:
Cash and cash equivalents	$ 12,532	$ 15,430
Restricted cash	153	153
Investments	6	5,113
Accounts receivable	2,507	3,244
Prepaid expenses and other current assets	1,311	1,063
Total current assets	16,509	25,003
Property and equipment, net	396	154
Restricted cash	816	816
Operating lease right-of-use asset	0	149
Goodwill	8,982	8,982
Other assets	3	3
Total assets	26,706	35,107
Current Liabilities:
Accounts payable	4,267	4,465
Accrued liabilities	1,719	1,910
Operating lease liability	0	166
Total current liabilities	5,986	6,541
Liability related to the sale of future royalties, net	60,989	62,477
Total liabilities	66,975	69,018
Stockholders’ Deficit:
Common stock, $0.01 par value—101,250,000 shares authorized; 36,582,309 shares issued and outstanding at March 31, 2020; 33,241,793 shares issued and outstanding at December 31, 2019	366	332
Additional paid-in capital	986,055	982,738
Accumulated deficit	(1,026,690)	(1,016,981)
Total stockholders’ deficit	(40,269)	(33,911)
Total liabilities and stockholders’ deficit	$ 26,706	$ 35,107