v3.23.1
Consolidated Balance Sheets - USD ($)
$ in Thousands
Dec. 31, 2022
Dec. 31, 2021
Current assets:    
Cash and cash equivalents $ 35,628 $ 53,840
Restricted cash 153
Accounts receivable 1,298 67
Prepaid expenses and other current assets 1,068 871
Total current assets 38,147 54,778
Property and equipment, net 235 321
Operating lease right-of-use asset 710 2,093
Long-term restricted cash 1,472 1,625
Other long-term assets 389
Total assets 40,953 58,817
Current liabilities:    
Accounts payable 1,188 839
Accrued expenses and other current liabilities 1,638 1,233
Operating lease liability 857 1,431
Deferred revenue 1,339 939
Total current liabilities 5,022 4,442
Deferred revenue, net of current portion 4,822 6,069
Operating lease liability, net of current portion 857
Total liabilities 9,844 11,368
Commitments and contingencies (Note 11)
Stockholders’ equity:    
Preferred Stock, $0.0001 par value — 500,000 shares authorized; 6,746 shares designated Series A convertible preferred stock; no and 1,830 shares issued and outstanding at December 31, 2022 and 2021, respectively 1,081
Common stock, $0.0001 par value — 200,000,000 shares authorized; 3,639,185 and 3,222,037 shares issued and outstanding at December 31, 2022 and 2021, respectively
Additional paid-in capital 304,585 301,008
Accumulated deficit (273,476) (254,640)
Total stockholders’ equity 31,109 47,449
Total liabilities and stockholders’ equity $ 40,953 $ 58,817