v3.21.2
Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Operating activities:    
Net loss $ (11,089) $ (20,090)
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation 2,143 1,403
Amortization expense - right-of-use assets - operating and finance leases 1,980 1,964
Stock-based compensation 8,547 6,092
Allowance for credit losses 0 40
Equity securities earned from research and development activities (675) 0
Unrealized gain on non-marketable securities (1,033) 0
Other non-cash items (19) 0
Changes in operating assets and liabilities:    
Financial assets, net (19,633) (6,482)
Inventories (120) (366)
Prepaid expenses and other assets (1,195) (1,105)
Accounts payable 575 (101)
Accrued compensation and other accrued liabilities 7,036 3,581
Other long-term liabilities (2,324) (1,920)
Deferred revenue 880 2,012
Net cash used in operating activities (14,927) (14,972)
Investing activities:    
Purchase of property and equipment (8,348) (2,260)
Proceeds from sale of property and equipment 36 0
Investment in equity securities (7,630) (1,000)
Net cash used in investing activities (15,942) (3,260)
Financing activities:    
Proceeds from exercises of stock options 2,700 539
Costs incurred in connection with equity financing (153) 0
Payments of lease obligations - Finance leases 0 (60)
Taxes paid related to net share settlement of equity awards (1,206) (1,257)
Net cash provided by (used in) financing activities 1,341 (778)
Net decrease in cash, cash equivalents and restricted cash (29,528) (19,010)
Cash, cash equivalents and restricted cash at the beginning of the period 150,817 92,221
Cash, cash equivalents and restricted cash at the end of the period 121,289 73,211
Supplemental disclosure of cash flow information:    
Interest paid 6 15
Income taxes paid 101 312
Capital expenditures incurred but not yet paid 2,012 289
Cash reconciliation:    
Cash and cash equivalents 119,189 71,516
Restricted cash, current and non-current 2,100 1,695
Total cash, cash equivalents and restricted cash $ 121,289 $ 73,211

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