v3.24.2.u1
CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Jun. 30, 2024
Jun. 30, 2023
Cash flows from operating activities:        
Net loss $ (8,097) $ (10,868) $ (7,525) $ (23)
Adjustments to reconcile net loss to net cash used in operating activities:        
Depreciation, amortization and other     2,168 3,940
Stock-based compensation expense     1,808 4,094
Interest accrued on long-term debt       (376)
Amortization of debt discount and accretion related to debt       393
Gain on extinguishment of debt   (1,795)   (1,795)
Accretion of asset retirement obligations     59 54
Loss on disposal of property and equipment   399   399
Change in valuation of contingent value right (107) (303) (651) (303)
Changes in operating assets and liabilities:        
Prepaid expenses     1,408 (428)
Grants revenue receivable     (545) (274)
Other assets     2,131 998
Operating lease right-of-use assets and liabilities     (166) (66)
Accounts payable     1,250 4,165
Accrued liabilities     (2,009) (4,728)
Deferred revenue     (9,031) (35,049)
Net cash used in operating activities     (11,103) (28,999)
Cash flows from investing activities:        
Purchases of property and equipment       (200)
Proceeds from sale of equipment       251
Purchase of marketable securities       (2,364)
Sales of marketable securities       31,400
Net cash provided by investing activities       29,087
Cash flows from financing activities:        
Proceeds from issuance or sale of equity     8,616  
Repayment of long-term debt       (27,500)
Net cash provided by/(used in) financing activities     8,616 (27,500)
Net decrease in cash, cash equivalents, and restricted cash     (2,487) (27,412)
Cash, cash equivalents and restricted cash, beginning of period     12,838 34,679
Cash, cash equivalents and restricted cash, end of period 10,351 7,267 10,351 7,267
Reconciliation of cash, cash equivalents and restricted cash        
Cash and cash equivalents 9,657 4,952 9,657 4,952
Restricted cash included in other assets $ 694 $ 2,315 $ 694 $ 2,315
Restricted Cash and Cash Equivalents, Noncurrent, Statement of Financial Position [Extensible Enumeration] Other assets Other assets Other assets Other assets
Total cash, cash equivalents and restricted cash $ 10,351 $ 7,267 $ 10,351 $ 7,267
Supplemental Cash Flow Information        
Cash paid for interest       $ 2,293

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