v3.23.1
Consolidated Statements of Cash Flows - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Cash flows from operating activities:    
Net loss $ (18,836) $ (20,171)
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation and amortization 162 169
Amortization of operating lease right-of-use asset 1,383 1,067
Stock-based compensation 1,114 1,158
Impairment of goodwill 3,577
Changes in operating assets and liabilities:    
Accounts receivable (1,231) 17
Prepaid expenses and other current assets (197) (148)
Other long-term assets (389)
Accounts payable 511 (149)
Accrued expenses and other current liabilities 405 (795)
Operating lease liability (1,431) (1,126)
Deferred revenue (847) (3,326)
Net cash used in operating activities (19,356) (19,727)
Cash flows from investing activities:    
Purchases of property and equipment (86) (144)
Net cash used in investing activities (86) (144)
Cash flows from financing activities:    
Proceeds from the issuance of preferred stock and common stock warrants, net of issuance costs (152) 6,192
Proceeds from issuance of common stock, net of issuance costs 1,382 37,079
Proceeds from exercise of common stock warrants 204
Net cash provided by financing activities 1,230 43,475
Net (decrease) increase in cash, cash equivalents and restricted cash (18,212) 23,604
Cash, cash equivalents and restricted cash — beginning of year 55,465 31,861
Total cash, cash equivalents and restricted cash 37,253 55,465
Reconciliation of cash, cash equivalents and restricted cash to the consolidated balance sheets:    
Cash and cash equivalents 35,628 53,840
Restricted cash 153
Long-term restricted cash 1,472 1,625
Supplemental disclosures of non-cash investing and financing information:    
Conversion of preferred stock to common stock 1,081 2,903
Fixed asset purchases in accounts payable 10
Issuance costs in accounts payable 152
Operating lease right-of-use asset obtained in exchange for operating lease obligation 1,671
Preferred stock issuance costs associated with placement agent warrants 300
Beneficial conversion feature of preferred stock 3,197
Deemed dividend related to beneficial conversion feature of preferred stock $ 3,197