Quarterly report pursuant to Section 13 or 15(d)

Unaudited Condensed Consolidated Statements of Cash Flows

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Unaudited Condensed Consolidated Statements of Cash Flows - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Cash flows from operating activities:    
Net loss $ (5,451) $ (4,676)
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation and amortization 155 27
Stock-based compensation expense 922 398
Amortization of debt issuance costs and discount 390 256
Change in fair value of warrant liabilities (10,030) (1,296)
Change in fair value of derivative liabilities (980) 90
Noncash operating lease expense for right-of-use asset 52 49
Loss on extinguishment of debt 0 2,725
Changes in operating assets and liabilities:    
Prepaid expenses, accounts receivable, inventory, and other (1,429) 1,736
Accounts payable, accrued expenses, other liabilities, and other 383 (68)
Net cash used in operating activities (15,988) (759)
Cash flows from investing activities:    
Purchase of intangible assets (9) (200)
Net cash used in by investing activities (9) (200)
Cash flows from financing activities:    
Proceeds from common stock issued 2,164 0
Payments of offering costs and underwriting discounts and commissions (451) (62)
Proceeds from loan payable 5,000 0
Proceeds from employee stock purchase plan issuances 10 6
Repurchase of shares to satisfy tax withholdings 0 (15)
Net cash provided by (used in) financing activities 6,723 (71)
Net decrease in cash, cash equivalents, and restricted cash (9,274) (1,030)
Cash, cash equivalents, and restricted cash at beginning of period 104,702 93,314
Cash, cash equivalents, and restricted cash at end of period 95,428 92,284
Supplemental cash flow information:    
Cash paid for interest 1,099 420
Cash received for interest 12 5
Noncash financing and investing activities:    
Common stock issued for settlement of senior convertible notes 0 7,452
Purchased intangible assets included in accounts payable and accrued expenses 0 178
Deferred offering and issuance costs included in accounts payable and accrued expenses 26 0
Deferred offering costs reclassified to additional-paid-in capital 27 0
Reclass of warrant liability to additional paid in capital 71 0
Reclass of deferred asset associated with issuance of loan payable to debt discount $ 206 $ 0