Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents	$ 13,526	$ 11,506
Accounts receivable	3,619	1,796
Prepaid expenses and other current assets	453	1,343
Total current assets	17,598	14,645
Property and equipment, net	210	1,066
Right-of-use assets, net	1,990
Intangible assets, net	17,093	19,413
Other long-term assets	141	103
Total assets	37,032	35,227
Current liabilities:
Accounts payable	852	962
Current portion of secured promissory note payable to Oxford Finance		1,667
Current portion of operating lease liability	841
Liability related to the sale of future royalties, current portion	2,916	3,328
Other accrued current liabilities	4,565	1,518
Total current liabilities	9,174	7,475
Operating lease liability, net of current portion	1,472
Liability related to the sale of future royalties, net of current portion	13,416	14,413
Secured promissory note payable to Oxford Finance, net of current portion		1,944
Other long-term liabilities	18	157
Total liabilities	24,080	23,989
Commitments and contingencies (Note 11)
Stockholders’ equity:
Preferred Stock: $0.10 par value; 5,000,000 shares authorized; none issued and outstanding as of December 31, 2019 or 2018
Common Stock: $0.10 par value; 100,000,000 shares authorized; 48,254,994 and 7,141,189 shares issued and outstanding as of December 31, 2019 and 2018, respectively	4,825	714
Additional paid-in capital	124,788	108,513
Accumulated deficit	(116,661)	(97,989)
Total stockholders’ equity	12,952	11,238
Total liabilities and stockholders’ equity	$ 37,032	$ 35,227