v3.22.2.2
CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Operating activities    
Net loss $ (14,054) $ (22,142)
Adjustments to reconcile net loss to net cash used by operating activities:    
Gain upon extinguishment of Payroll Protection Program Loan 0 (1,528)
Depreciation and amortization 1,158 1,776
Stock-based compensation 2,890 865
Unrealized (gain) loss on mark-to-market of common stock warrants (5,009)  
Changes in operating assets and liabilities:    
Accounts receivable   4,681
Due to/from related parties (34) (617)
Inventory   (291)
Prepaid expenses and other current assets 297 2,873
Accounts payable (188) 108
Accrued expenses 41 (1,742)
Accrued compensation (166) 334
Other (536) 1,029
Net cash used by operating activities (15,601) (14,654)
Investing activities    
Proceeds from sales of short-term investments   11,698
Purchases of land, buildings, and equipment (1,509) (376)
Net cash (used by) provided by investing activities (1,509) 11,322
Financing activities    
Proceeds from the issuance of common stock and pre-funded warrants 11,209  
Costs incurred related to the issuance of common stock, pre-funded warrants, and common warrants (962)  
Repayments of financing lease obligations (353) (271)
Proceeds from the exercise of stock options 0 227
Net cash provided by (used by) financing activities 9,894 (44)
Net (decrease) in cash, cash equivalents, and restricted cash (7,216) (3,376)
Cash, cash equivalents and restricted cash - beginning of period 14,421 18,289
Cash, cash equivalents and restricted cash - end of period $ 7,205 $ 14,913

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