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Stockholders' Equity (Tables) | 12 Months Ended
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Dec. 30, 2022
Stockholders Equity Note [Abstract] |
Schedule of Share-based Compensation, Fair Value of Stock-Based Compensation Granted | The following table represents the fair value of stock-based compensation granted during the year ended 2022 (in thousands):
|  | Fair Value |
Stock options |  | $ | 17,428 |
RSUs |  |  | 8,929 |
Performance stock units |  |  | 8,421 |
Restricted stock |  |  | 270 |
Total stock-based compensation expense |  | $ | 35,048 |
Schedule of Compensation Cost | The Company recorded stock-based compensation expense by award as follows (in thousands):
|  | Years Ended |
|  | 2022 |  |  | 2021 |  |  | 2020 |
Employee stock option |  | $ | 10,403 |  |  | $ | 10,373 |  |  | $ | 9,577 |
Restricted stock |  |  | 686 |  |  |  | 616 |  |  |  | 428 |
RSUs |  |  | 4,512 |  |  |  | 2,667 |  |  |  | 1,732 |
PSUs |  |  | 3,525 |  |  |  | 371 |  |  |  | 147 |
Nonemployee stock options |  |  | 1,245 |  |  |  | 578 |  |  |  | 262 |
Total stock-based compensation expense |  | $ | 20,371 |  |  | $ | 14,605 |  |  | $ | 12,146 |
Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs | The Company recorded stock-based compensation expense in the following categories (in thousands):
|  | Years Ended |
|  | 2022 |  |  | 2021 |  |  | 2020 |
Cost of sales |  | $ | 501 |  |  | $ | 215 |  |  | $ | 112 |
General and administrative |  |  | 9,402 |  |  |  | 6,495 |  |  |  | 4,925 |
Selling and marketing |  |  | 4,795 |  |  |  | 3,454 |  |  |  | 3,471 |
Research and development |  |  | 5,673 |  |  |  | 4,441 |  |  |  | 3,638 |
Total stock-based compensation expense, net |  |  | 20,371 |  |  |  | 14,605 |  |  |  | 12,146 |
Amounts capitalized as part of inventory |  |  | 1,881 |  |  |  | 1,295 |  |  |  | 1,129 |
Total stock-based compensation expense, gross |  | $ | 22,252 |  |  | $ | 15,900 |  |  | $ | 13,275 |
Schedule of Unrecognized Compensation Cost, Non-Vested Stock-Based Compensation Arrangements | As of December 30, 2022, total unrecognized compensation cost related to non-vested stock-based compensation arrangements granted under the Plan were as follows (in thousands):
|  | 2022 |
Stock options |  | $ | 17,140 |
Restricted stock, RSUs and PSUs |  |  | 13,638 |
Total unrecognized stock-based compensation cost |  | $ | 30,778 |
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions | The risk-free rate is based on the U.S. Treasury yield curve corresponding to the expected term at the time of the grant.
|  | Years Ended |
|  | 2022 |  |  | 2021 |  |  | 2020 |
Expected dividend yield |  |  | 0 | % |  |  | 0 | % |  |  | 0 | %
Expected volatility |  |  | 54 | % |  |  | 53 | % |  |  | 53 | %
Risk-free interest rate |  |  | 2.09 | % |  |  | 0.84 | % |  |  | 0.53 | %
Expected term (in years) |  |  | 5.10 |  |  |  | 5.38 |  |  |  | 5.72 |
Schedule of Share-based Compensation, Stock Options, Activity | A summary of option activity under the Plan for the year ended December 30, 2022 was as follows:
|  | Shares (in 000’s) |  |  | Weighted- Average Exercise Price |  |  | Weighted- Average Remaining Contractual Term (years) |  |  | Aggregate Intrinsic Value (in 000’s) |
Outstanding at December 31, 2021 |  |  | 2,435 |  |  | $ | 29.81 |  |  |  |  |  |  |  |  |
Granted |  |  | 488 |  |  |  | 73.51 |  |  |  |  |  |  |  |  |
Exercised |  |  | (427 | ) |  |  | 19.71 |  |  |  |  |  |  |  |  |
Forfeited or expired |  |  | (27 | ) |  |  | 82.29 |  |  |  |  |  |  |  |  |
Outstanding at December 30, 2022 |  |  | 2,469 |  |  | $ | 39.63 |  |  |  | 5.03 |  |  | $ | 45,104 |
Exercisable at December 30, 2022 |  |  | 1,836 |  |  | $ | 27.97 |  |  |  | 4.07 |  |  | $ | 44,137 |
Share-based Compensation, Performance Shares Award Unvested Activity | A summary of unvested options activity under the Plan for the year ended December 30, 2022 was as follows:
|  | Shares (in 000’s) |  |  | Weighted-Average Grant-Date Fair Value |
Unvested at December 31, 2021 |  |  | 572 |  |  | $ | 28.63 |
Granted |  |  | 488 |  |  |  | 35.68 |
Forfeited or expired |  |  | (27 | ) |  |  | 39.27 |
Vested |  |  | (400 | ) |  |  | 25.72 |
Unvested at December 30, 2022 |  |  | 633 |  |  | $ | 35.37 |
Summary of Weighted Average Grant Date Fair Value of Options Granted and Total intrinsic Value of options Exercised | The weighted average grant date fair value of options granted and the total intrinsic value of options exercised were as follows:
|  | Years Ended |
|  | 2022 |  |  | 2021 |  |  | 2020 |
Weighted-average grant-date fair value |  | $ | 35.68 |  |  | $ | 45.08 |  |  | $ | 13.85 |
Intrinsic value of options (in thousands) |  | $ | 25,000 |  |  | $ | 127,024 |  |  | $ | 59,771 |
Schedule of Share-based Compensation, Restricted Stock, RSU and PSU Activity | A summary of restricted stock, RSU and PSU activity under the Plan for the year ended December 30, 2022 was as follows:
|  | Restricted Stock |  |  | Restricted Stock Units |  |  | Performance Stock Units |
|  | Units (in 000’s) |  |  | Weighted- Average Grant- Date Fair Value |  |  | Units (in 000’s) |  |  | Weighted- Average Grant- Date Fair Value |  |  | Units (in 000’s) |  |  | Weighted- Average Grant- Date Fair Value |
Outstanding at December 31, 2021 |  |  | 3 |  |  | $ | 154.96 |  |  |  | 131 |  |  | $ | 66.94 |  |  |  | 10 |  |  | $ | 51.42 |
Granted |  |  | 6 |  |  |  | 62.10 |  |  |  | 118 |  |  |  | 75.62 |  |  |  | 113 |  |  |  | 74.80 |
Vested |  |  | (5 | ) |  |  | 154.96 |  |  |  | (57 | ) |  |  | 63.73 |  |  |  | (5 | ) |  |  | 51.42 |
Outstanding at December 30, 2022 |  |  | 4 |  |  | $ | 62.10 |  |  |  | 192 |  |  | $ | 73.25 |  |  |  | 118 |  |  | $ | 73.78 |

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