Quarterly report pursuant to Section 13 or 15(d)

Consolidated Statements of Cash Flows

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Consolidated Statements of Cash Flows - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Dec. 31, 2022
Cash flows from operating activities      
Net loss $ (1,371) $ (20,157)  
Adjustments to reconcile net loss to net cash used in operating activities:      
Depreciation 40 38  
Stock-based compensation expense 932 919  
Change in fair value of warrant liabilities (7,400) 4,212  
Net amortization of premium paid on marketable securities 32 97  
Changes in operating assets and liabilities:      
Decrease (increase) in prepaid expenses and other current and non-current assets 1,094 (1,412)  
(Decrease) increase in accounts payable, accrued and other current liabilities (2,125) 4,536  
Net cash used in operating activities (8,798) (11,767)  
Cash flows from investing activities      
Proceeds from maturities of marketable securities 2,750 4,750  
Purchases of property and equipment (5)    
Net cash provided by investing activities 2,745 4,750  
Cash flows from financing activities      
Proceeds from issuance of securities 10,000    
Payment of financing costs of securities sold (883)    
Repayments of insurance premium financing (110)    
Proceeds from the exercise of pre-funded warrants 5    
Net cash provided by financing activities 9,012    
Net increase (decrease) in cash and cash equivalents 2,959 (7,017)  
Cash and cash equivalents at beginning of period 8,907 16,654 $ 16,654
Cash and cash equivalents at end of period 11,866 $ 9,637 $ 8,907
Supplemental schedule of cash flow information      
Cash paid for interest 5    
Supplemental schedule of non-cash financing activities      
Insurance premium financing $ 900