CONSOLIDATED BALANCE SHEETS - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Current assets:    
Cash and cash equivalents $ 63,458 $ 16,455
Marketable securities 5,993 27,804
Accounts receivable - related party 507  
Prepaid and other current assets 1,354 1,077
Total current assets 71,312 45,336
Property and equipment, net 451 906
Operating lease right-of-use asset 3,190 1,648
Investment in Angel Pharmaceuticals 34,266 37,225
Other assets 236 414
Total assets 109,455 85,529
Current liabilities:    
Accounts payable 1,565 3,467
Operating lease liability 1,046 1,078
Accrued and other liabilities 7,081 7,604
Total current liabilities 9,692 12,149
Operating lease liability 2,601 1,232
Total liabilities 12,293 13,381
Commitments and contingencies (Note 13)
Stockholders' equity:    
Preferred stock: $0.0001 par value; 10,000,000 shares authorized at December 31, 2021 and December 31, 2020; 0 shares issued and outstanding at December 31, 2021 and December 31, 2020
Common stock: $0.0001 par value; 290,000,000 shares authorized at December 31, 2021 and December 31, 2020; 46,553,511 and 28,372,634 shares issued and outstanding at December 31, 2021 and December 31, 2020, respectively 5 3
Additional paid-in capital 361,669 295,281
Accumulated other comprehensive (loss) income 1,869 4
Accumulated deficit (266,381) (223,140)
Total stockholders' equity 97,162 72,148
Total liabilities and stockholders' equity $ 109,455 $ 85,529