XML 16 R7.htm IDEA: XBRL DOCUMENT v3.23.2
Condensed Statement of Cash Flows (Unaudited) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Cash flows from operating activities:    
Net Income (Loss) $ (88,017) $ (80,731)
Adjustments to reconcile net loss to net cash used in operating activities:    
Stock-based compensation expense 18,643 12,420
Depreciation and amortization 2,898 2,586
Non-cash lease expense 603 544
Non-cash interest expense 914 282
Accretion (amortization) of discount (premium) on investments, net (3,353) 1,035
Provision for inventories 868 808
Other non-cash items 180 29
Changes in operating assets and liabilities:    
Accounts receivable (8,919) 964
Inventories 6,114 (15,311)
Prepaid expenses and other assets 1,196 70
Accounts payable 1,682 684
Accrued payroll and related benefits (4,058) (9,153)
Accrued expenses and other current liabilities (3,720) 8,366
Accrued warranty liability 547 (260)
Deferred revenue 2,130 1,305
Operating lease liabilities (640) (548)
Net cash used in operating activities (72,932) (76,910)
Cash flows from investing activities:    
Purchases of property and equipment (1,605) (3,475)
Purchases of investment securities (97,849) (133,015)
Sales and maturities of investment securities 129,250 101,784
Net cash provided by (used in) investing activities 29,796 (34,706)
Cash flows from financing activities:    
Proceeds from stock option exercises and employee stock purchase plan purchases 6,320 4,765
Net cash provided by financing activities 6,320 4,765
Net decrease in cash, cash equivalents and restricted cash (36,816) (106,851)
Cash, cash equivalents and restricted cash as of beginning of period 76,533 215,659
Cash, cash equivalents and restricted cash as of end of period 39,717 108,808
Supplemental cash flow disclosures:    
Cash paid for income taxes 311 283
Cash paid for interest 5,131 621
Cash paid for amounts included in the measurement of operating lease liabilities 640 548
Supplemental non-cash investing and financing activities:    
Capital expenditures included in accounts payable and accrued expenses 216 1,613
Right-of-use assets obtained in exchange for operating lease liabilities $ 528 $ 0