We define Free Cash Flow as net cash used in operating activities, less purchases of property and equipment. We believe that Free Cash Flow is a meaningful indicator of liquidity that provides information to management and investors about the amount of cash generated from or used in operations that, after purchases of property and equipment, can be used for strategic initiatives, including continuous investment in our business and strengthening our balance sheet.
Free Cash Flow has limitations as a liquidity measure, and you should not consider it in isolation or as a substitute for analysis of our cash flows as reported under U.S. GAAP. Free Cash Flow may be affected in the near to medium term by the timing of capital investments, fluctuations in our growth and the effect of such fluctuations on working capital, and our changes in our cash conversion cycle.
Non-GAAP Research and Development
We define Non-GAAP Research and Development as research and development less stock-based compensation expense. Management believes this non-GAAP measure provides investors with meaningful insight into results from ongoing operations by excluding items of income or loss to present it in accordance with how management manages the business.
Non-GAAP Selling, General, and Administrative
We define Non-GAAP Selling, General and Administrative as selling, general and administrative less stock-based compensation expense, certain one-time costs related to the IPO, transaction-related expenses, and certain other items that are not expected to recur in the future or that management does not view as reflective of the performance of the business. Management believes this non-GAAP measure provides investors with meaningful insight into results from ongoing operations by excluding items of income or loss to present it in accordance with how management manages the business.
Non-GAAP Operating Expenses
We define Non-GAAP Operating Expenses as operating expenses, less stock-based compensation expense, certain one-time costs related to the IPO, transaction-related expenses, loss on disposal of fixed assets, and certain other items that are not expected to recur in the future or that management does not view as reflective of the performance of the business. Management believes this non-GAAP measure provides investors with meaningful insight into results from ongoing operations by excluding items of income or loss to present it in accordance with how management manages the business.
Non-GAAP Other Income (Expense)
We define Non-GAAP Other Income (Expense) as other expense less change in fair value of warrant liability and loss on extinguishment of debt. Management believes this non-GAAP