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v3.20.2

Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands | 9 Months Ended
--- | ---
Sep. 30, 2020 | Sep. 30, 2019
Operating activities |  |
Net loss | $ (26,865) | $ (5,141)
Adjustments to reconcile net loss to net cash used in operating activities: |  |
Depreciation and amortization | 5,919 | 2,836
Gain on disposal of property and equipment | 0 | (23)
Stock-based compensation | 9,354 | 6,965
Amortization of debt issuance costs | 0 | 83
Interest on end-of-term debt obligation | 162 | 174
Write-down of excess supplies | 1,088 | 0
Noncash lease expense | 714 | 810
Revaluation of acquisition-related contingent consideration | 332 | 0
Effect of foreign currency on operations | (17) | 0
Changes in operating assets and liabilities: |  |
Accounts receivable | 1,742 | (10,445)
Supplies | 1,262 | (3,206)
Prepaid expenses and other current assets | (923) | 185
Other assets | 134 | (142)
Operating lease liability | (1,040) | (881)
Accounts payable | (534) | 2,505
Accrued liabilities | (3,300) | 1,258
Net cash used in operating activities | (11,972) | (5,022)
Investing activities |  |
Purchases of property and equipment | (1,949) | (1,656)
Purchase of equity securities | (1,000) | 0
Proceeds from disposal of property and equipment | 0 | 23
Net cash used in investing activities | (2,949) | (1,633)
Financing activities |  |
Proceeds from the issuance of common stock in a public offering, net | 193,831 | 137,848
Payment of long-term debt | (100) | (24,900)
Payment of finance lease liability | 0 | (229)
Payment of taxes on vested restricted stock units | (3,161) | (810)
Proceeds from the exercise of common stock options and employee stock purchases | 10,114 | 12,413
Net cash provided by financing activities | 200,684 | 124,322
Net increase in cash, cash equivalents and restricted cash | 185,763 | 117,667
Cash, cash equivalents and restricted cash at beginning of period | 159,920 | 78,598
Cash, cash equivalents and restricted cash at end of period | 345,683 | 196,265
Supplementary cash flow information: |  |
Purchases of property and equipment included in accounts payable and accrued liability | 355 | 821
Interest paid on debt | 3 | 330
Cash and cash equivalents | 345,080 |
Restricted cash | 603 |
Cash, cash equivalents and restricted cash at end of period | $ 345,683 | $ 196,265

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