| Schedule of Stock-Based Compensation Expense |
Stock-based compensation expense is included in the following line items in the condensed consolidated statements of operations (in thousands): | | | | | | | | | | | | | | | | | | | | | | | | | | Three Months Ended
September 30, | | Nine Months Ended
September 30, | | | 2024 | | 2023 | | 2024 | | 2023 | Cost of hardware and other revenue | $ | — | | | $ | 3 | | | $ | 2 | | | $ | 3 | | | Sales and marketing | 545 | | | 854 | | | 2,024 | | | 2,778 | | | General and administrative | 3,077 | | | 3,260 | | | 9,561 | | | 9,873 | | | Research and development | 5,572 | | | 7,689 | | | 20,088 | | | 23,769 | | | Total stock-based compensation expense | $ | 9,194 | | | $ | 11,806 | | | $ | 31,675 | | | $ | 36,423 | |
The following table summarizes the components of non-cash stock-based compensation expense (in thousands): | | | | | | | | | | | | | | | | | | | | | | | | | | Three Months Ended
September 30, | | Nine Months Ended
September 30, | | | 2024 | | 2023 | | 2024 | | 2023 | | Stock options | $ | 1,006 | | | $ | 1,133 | | | $ | 3,139 | | | $ | 3,116 | | | Restricted stock units | 8,141 | | | 10,629 | | | 28,388 | | | 33,170 | | | Employee stock purchase plan | 47 | | | 44 | | | 148 | | | 137 | | | Total stock-based compensation expense | $ | 9,194 | | | $ | 11,806 | | | $ | 31,675 | | | $ | 36,423 | | Tax windfall benefit / (shortfall) from stock-based awards | $ | (34) | | | $ | (111) | | | $ | 1,097 | | | $ | (802) | |
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