v3.21.2
Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Operating activities:    
Net loss $ (13,333) $ (13,996)
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation 1,375 900
Amortization expense - right-of-use assets - operating and finance leases 1,309 1,336
Stock-based compensation 5,531 4,108
Equity securities earned from research and development activities (477) 0
Other non-cash items (318) 0
Changes in operating assets and liabilities:    
Financial assets, net (7,521) (6,258)
Inventories (113) (315)
Prepaid expenses and other assets (170) (824)
Accounts payable 436 (19)
Accrued compensation and other accrued liabilities (404) 1,839
Other long-term liabilities (1,314) (1,270)
Deferred revenue 264 3,001
Net cash used in operating activities (14,735) (11,498)
Investing activities:    
Purchase of property and equipment (4,344) (1,490)
Proceeds from sale of property and equipment 29 0
Payments to acquire other investments (630) (1,000)
Net cash used in investing activities (4,945) (2,490)
Financing activities:    
Proceeds from exercises of stock options 1,679 197
Payments of lease obligations - Finance leases 0 (60)
Taxes paid related to net share settlement of equity awards (1,206) (1,040)
Net cash provided by (used in) financing activities 473 (903)
Net decrease in cash, cash equivalents and restricted cash (19,207) (14,891)
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 131,610 77,330
Supplemental disclosure of cash flow information:    
Interest paid 3 4
Income taxes paid 0 5
Capital expenditures incurred but not yet paid 338 90
Assets received for research and development revenue earned 1,350 0
Cash reconciliation:    
Cash and cash equivalents 129,506 75,649
Restricted cash, current and non-current 2,104 1,681
Total cash, cash equivalents and restricted cash $ 131,610 $ 77,330

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