2021 2020 2019 2018 2017 2016 Operating Cash Flow $64.65M$-17.13M$-38.92M$-43.28M$3.17M$-13.32M Net Income $-260.31M$-119.37M$-105.83M$-87.16M$-10.75M$-17.33M Depreciation & Amortization $66.61M$49.39M$29.48M$18.91M$12.17M$8.36M Deferred Income Tax $8.74M$-6.14M$370K$385K$-135K$-530K Stock-Based Compensation $90.14M$56.33M$36.63M$27.35M$2.75M$5.7M Change In Working Capital $3.39M$-61.06M$-12.89M$-11.59M$-5.23M$-11.75M Other Non-Cash Items $156.09M$63.73M$13.33M$8.84M$4.35M$2.24M Cash From Investing $-709.32M$-515.27M$-417.64M$-120.8M$9.54M$-15.26M Purchases Of Investments $-1.59B$-1.27B$-537.38M$-145.27M$-47.09M$-74.89M Sales / Maturities of Investments $993.23M$840.25M$176.98M$59.25M$79.83M$79.56M Property, Plant & Equipment Investments $-92.99M$-56.38M$-43.29M$-25.47M$-19.03M$-15.9M Net Acquisitions $-5.61M$-13.94M$0$0$0$0 Other Investing Activites $-14.7M$-18.19M$-13.95M$-9.31M$-4.17M$-4.03M Cash From Financing $847.49M$504.91M$570.77M$168.62M$-149K$418K Debt Repayment $-370.65M$-200K$-255K$-356K$-5.09M$-507K Dividend Payments $0$0$0$0$0$0 Payout Ratio 0%0%0%0%0%0% Net Common Stock Repurchased $189K$-10.77M$-570.26M$65K$16K$20K Common Stock Repurchased $-189K$-157K$-283K$-65K$-16K$-20K Common Stock Issued $189K$-10.77M$-570.26M$65K$16K$20K Other Financing Activites $1.22B$494.35M$762K$169.04M$4.96M$945K Accounts Receivables $-35.85M$-33M$-11.2M$-14.76M$-2.07M$-6.68M Accounts Payables $2.46M$1.69M$-1.33M$4.39M$-957K$1.25M Inventory $0$0$0$0$0$0 Other Working Capital $8.98M$-11.13M$-5.46M$-7.33M$-3.48M$-8.03M Capital Expenditure (CAPEX) $-107.74M$-74.96M$-57.28M$-34.84M$-22.98M$-18.56M Effect Of Foreign Exchange On Cash $0$0$0$0$0$0 Net Change In Cash $202.81M$-27.49M$114.21M$4.54M$12.56M$-28.16M Free Cash Flow (FCF) $-43.09M$-92.09M$-96.2M$-78.12M$-19.81M$-31.88M Free Cash Flow To Equity (FCFE) $-413.74M$-92.29M$-96.45M$-78.48M$-24.9M$-32.38M