Quarterly report pursuant to Section 13 or 15(d)

CONDENSED STATEMENTS OF CASH FLOWS (unaudited)

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CONDENSED STATEMENTS OF CASH FLOWS (unaudited) - USD ($)
$ in Thousands
 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Cash flows from operating activities:    
Net loss $ (7,640) $ (6,236)
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation and amortization 151 168
Non-cash interest expense 2
Stock-based milestone payment 50
Non-cash gain on debt extinguishment (661)
Stock-based compensation 1,038 1,359
Other 2 (8)
Changes in operating assets and liabilities:    
Receivables 63 459
Inventory (167) 199
Prepaid expenses and other assets (34) (170)
Accounts payable (182) (1,628)
Deferred grant revenue (34)
Other accrued liabilities 149 (302)
Net cash used in operating activities (6,604) (6,818)
Cash flows from investing activities:    
Purchases of property and equipment (18)
Net cash used in investing activities (18)
Cash flows from financing activities:    
Net proceeds from equity offering 4,980 8,841
Net proceeds from the exercises of common stock warrants 4
Net cash provided by financing activities 4,984 8,841
Net increase (decrease) in cash, cash equivalents and restricted cash (1,620) 2,005
Cash, cash equivalents and restricted cash at beginning of period 6,332 5,413
Cash, cash equivalents and restricted cash at end of period 4,712 7,418
Cash and cash equivalents 4,450 7,418
Restricted cash 262
Cash, cash equivalents and restricted cash shown in the condensed statements of cash flows $ 4,712 $ 7,418