Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Current Assets:
Cash and cash equivalents	$ 22,348	$ 16,930
Prepaid expenses and other current assets	1,143	1,188
Total current assets	23,491	18,118
Property and equipment, net	1,011	924
Restricted cash	154	154
Operating lease right-of-use assets	2,381	917
Intangible assets	32,070	77,090
Goodwill	15,682	15,682
Total assets	74,789	112,885
Current Liabilities:
Accounts payable	693	1,161
Accrued expenses	3,408	3,813
Operating lease liabilities - current portion	528	805
Loans payable - current portion	294	352
Total current liabilities	4,923	6,131
Operating lease liabilities - non-current portion	2,071	201
Loans payable - non-current portion	0	2,423
Restructured debt liability - contingent milestone payments	15,000	15,000
Other liabilities	3,800	2,800
Deferred tax liabilities	7,114	16,778
Total liabilities	32,908	43,333
Stockholders’ Equity:
Preferred stock, $0.001 par value; 5,000,000 shares authorized; 0 shares issued and outstanding at December 31, 2021 and 2020	0	0
Common stock, $0.001 par value; 120,000,000 shares authorized at December 31, 2021 and 2020; 28,268,950 and 16,921,506 shares issued at December 31, 2021 and 2020, respectively; 28,268,926 and 16,921,482 shares outstanding at December 31, 2021 and 2020, respectively	28	17
Additional paid-in capital	830,231	790,277
Accumulated deficit	(785,324)	(717,688)
Treasury stock (at cost); 24 shares	(3,054)	(3,054)
Total stockholders’ equity	41,881	69,552
Total liabilities & stockholders’ equity	$ 74,789	$ 112,885