XML 24 R7.htm IDEA: XBRL DOCUMENT v3.22.4
Consolidated Statements of Cash Flows - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Cash flows from operating activities:    
Net loss $ (86,242) $ (62,960)
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation 710 632
Accretion of debt discount and amortization of debt issuance costs 657 701
Stock-based compensation expense 12,963 5,083
Provision for doubtful accounts receivable 402 348
Provision for excess and obsolete inventories 614 436
Noncash operating lease cost 542 569
Change in fair value of redeemable convertible preferred stock warrant 0 6,861
Loss on disposal of property and equipment 85 115
Changes in operating assets and liabilities:    
Accounts receivable (6,841) (3,694)
Inventory (3,253) (1,313)
Prepaid expenses and other current assets 751 (3,003)
Other noncurrent assets (10) 185
Accounts payable (694) 1,168
Accrued compensation 1,364 1,918
Accrued and other current liabilities 2,634 342
Other noncurrent liabilities 353 72
Net cash used in operating activities (75,965) (52,540)
Cash flows from investing activities:    
Purchases of property and equipment (970) (813)
Net cash used in investing activities (970) (813)
Cash flows from financing activities:    
Proceeds from issuance of common stock upon initial public offering, net of underwriting discounts and commissions 0 256,680
Payment of other offering costs related to the initial public offering 0 4,506
Proceeds from exercise of common stock options 576 355
Proceeds from employee stock purchase plan purchases 672 0
Net cash provided by financing activities 1,248 252,529
Net change in cash and cash equivalents (75,687) 199,176
Cash and cash equivalents at beginning of period 260,687 61,511
Cash and cash equivalents at end of period 185,000 260,687
Supplemental disclosure of cash flow information    
Cash paid for interest 3,252 3,105
Supplemental disclosure of non-cash investing and financing information    
Acquisition of property and equipment included in accounts payable and accrued liabilities 103 162
Common Stock issued on conversion of convertible preferred stock 0 117,331
Common stock warrants issued on conversion of preferred stock warrants and the reclassification of the warrant liability $ 0 $ 8,973