Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Statements of Cash Flows (Unaudited)

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Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Operating activities:    
Net loss $ (4,892) $ (13,183)
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation and amortization (accretion) (30) 605
Right-of-use asset (accretion) amortization 0 (34)
Stock-based compensation 472 884
Proceeds on sale of fixed assets 866 0
Prepaid rent 556 0
Realized investment gains 0 53
Other non-cash transactions (5) 72
Changes in operating assets and liabilities (3,963) 607
Net cash used in operating activities (6,996) (10,996)
Investing activities:    
Purchases of property and equipment 0 (48)
Proceeds from maturity of investments 9,000 13,495
Purchases of investments 0 (1,544)
Net cash provided by investing activities 9,000 11,903
Effect of exchange rate change on cash and cash equivalents (316) 200
Net increase in cash and cash equivalents 1,688 1,107
Cash and cash equivalents at beginning of period 17,396 38,635
Cash and cash equivalents at end of period 19,084 39,742
Supplemental cash flow disclosures:    
Net unrealized gain (loss) on investments $ (1) $ 70