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, 2023
Mar. 31, 2022
Cash flows from operating activities:    
Net loss $ (5,272) $ (3,508)
Adjustments to reconcile net loss to net cash used in operating activities:    
Share-based compensation 422 308
Amortization of (discount) premium on marketable securities (205) 120
Non-cash lease expense 17 15
Depreciation 7 6
Changes in operating assets and liabilities:    
Amounts receivable 25 (38)
Prepaid expenses and other assets (711) (699)
Accounts payable 1,046 (76)
Accrued liabilities (418) (16)
Net cash used in operating activities (5,089) (3,888)
Cash flows from investing activities:    
Purchase of marketable securities (9,824) (13,379)
Maturities of marketable securities 12,340 15,593
Purchases of property and equipment (7) 0
Net cash provided by investing activities 2,509 2,214
Cash flows from financing activities:    
Principal payments on finance lease obligations (1) (1)
Net cash provided by (used in) financing activities (1) (1)
Net decrease in cash and cash equivalents (2,581) (1,675)
Cash and cash equivalents at beginning of period 4,728 4,707
Cash and cash equivalents at end of period 2,147 3,032
Supplemental disclosure of non-cash transactions:    
Assets acquired under financing lease 0 10
Cash paid for income taxes $ 14 $ 7