<table><tbody><tr><td style="width:1.0%"></td><td style="width:41.297%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:10.595%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.530%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.695%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.530%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:10.595%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.530%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.695%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.530%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:10.603%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Helvetica',sans-serif;font-size:8pt;font-weight:700;line-height:100%">2022</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Helvetica',sans-serif;font-size:8pt;font-weight:700;line-height:100%">Change</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Helvetica',sans-serif;font-size:8pt;font-weight:700;line-height:100%">2021</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Helvetica',sans-serif;font-size:8pt;font-weight:700;line-height:100%">Change</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Helvetica',sans-serif;font-size:8pt;font-weight:700;line-height:100%">2020</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:9pt;text-indent:-9pt"><span style="color:#000000;font-family:'Helvetica',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Research and development</span></div></td><td style="border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Helvetica',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Helvetica',sans-serif;font-size:9pt;font-weight:400;line-height:100%">26,251&nbsp;</span></td><td style="border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="2" style="border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Helvetica',sans-serif;font-size:9pt;font-weight:400;line-height:100%">20&nbsp;</span></td><td style="border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Helvetica',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="3" style="padding:0 1pt"></td><td style="border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Helvetica',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Helvetica',sans-serif;font-size:9pt;font-weight:400;line-height:100%">21,914&nbsp;</span></td><td style="border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="2" style="border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Helvetica',sans-serif;font-size:9pt;font-weight:400;line-height:100%">17&nbsp;</span></td><td style="border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Helvetica',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="3" style="padding:0 1pt"></td><td style="border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Helvetica',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Helvetica',sans-serif;font-size:9pt;font-weight:400;line-height:100%">18,752&nbsp;</span></td><td style="border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#efefef;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:27pt;text-indent:-9pt"><span style="color:#000000;font-family:'Helvetica',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Percentage of total net sales</span></div></td><td colspan="2" style="background-color:#efefef;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Helvetica',sans-serif;font-size:9pt;font-weight:400;line-height:100%">7&nbsp;</span></td><td style="background-color:#efefef;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Helvetica',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="3" style="background-color:#efefef;padding:0 1pt"></td><td colspan="3" style="background-color:#efefef;padding:0 1pt"></td><td colspan="3" style="background-color:#efefef;padding:0 1pt"></td><td colspan="2" style="background-color:#efefef;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Helvetica',sans-serif;font-size:9pt;font-weight:400;line-height:100%">6&nbsp;</span></td><td style="background-color:#efefef;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Helvetica',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="3" style="background-color:#efefef;padding:0 1pt"></td><td colspan="3" style="background-color:#efefef;padding:0 1pt"></td><td colspan="3" style="background-color:#efefef;padding:0 1pt"></td><td colspan="2" style="background-color:#efefef;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Helvetica',sans-serif;font-size:9pt;font-weight:400;line-height:100%">7&nbsp;</span></td><td style="background-color:#efefef;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Helvetica',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:9pt;text-indent:-9pt"><span style="color:#000000;font-family:'Helvetica',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Selling, general and administrative</span></div></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Helvetica',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Helvetica',sans-serif;font-size:9pt;font-weight:400;line-height:100%">25,094&nbsp;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Helvetica',sans-serif;font-size:9pt;font-weight:400;line-height:100%">14&nbsp;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Helvetica',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Helvetica',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Helvetica',sans-serif;font-size:9pt;font-weight:400;line-height:100%">21,973&nbsp;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Helvetica',sans-serif;font-size:9pt;font-weight:400;line-height:100%">10&nbsp;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Helvetica',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Helvetica',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Helvetica',sans-serif;font-size:9pt;font-weight:400;line-height:100%">19,916&nbsp;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#efefef;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:27pt;text-indent:-9pt"><span style="color:#000000;font-family:'Helvetica',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Percentage of total net sales</span></div></td><td colspan="2" style="background-color:#efefef;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Helvetica',sans-serif;font-size:9pt;font-weight:400;line-height:100%">6&nbsp;</span></td><td style="background-color:#efefef;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Helvetica',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="3" style="background-color:#efefef;padding:0 1pt"></td><td colspan="3" style="background-color:#efefef;padding:0 1pt"></td><td colspan="3" style="background-color:#efefef;padding:0 1pt"></td><td colspan="2" style="background-color:#efefef;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Helvetica',sans-serif;font-size:9pt;font-weight:400;line-height:100%">6&nbsp;</span></td><td style="background-color:#efefef;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Helvetica',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="3" style="background-color:#efefef;padding:0 1pt"></td><td colspan="3" style="background-color:#efefef;padding:0 1pt"></td><td colspan="3" style="background-color:#efefef;padding:0 1pt"></td><td colspan="2" style="background-color:#efefef;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Helvetica',sans-serif;font-size:9pt;font-weight:400;line-height:100%">7&nbsp;</span></td><td style="background-color:#efefef;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Helvetica',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:9pt;text-indent:-9pt"><span style="color:#000000;font-family:'Helvetica',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total operating expenses</span></div></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Helvetica',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Helvetica',sans-serif;font-size:9pt;font-weight:400;line-height:100%">51,345&nbsp;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Helvetica',sans-serif;font-size:9pt;font-weight:400;line-height:100%">17&nbsp;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Helvetica',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Helvetica',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Helvetica',sans-serif;font-size:9pt;font-weight:400;line-height:100%">43,887&nbsp;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Helvetica',sans-serif;font-size:9pt;font-weight:400;line-height:100%">13&nbsp;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Helvetica',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Helvetica',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Helvetica',sans-serif;font-size:9pt;font-weight:400;line-height:100%">38,668&nbsp;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#efefef;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:27pt;text-indent:-9pt"><span style="color:#000000;font-family:'Helvetica',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Percentage of total net sales</span></div></td><td colspan="2" style="background-color:#efefef;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Helvetica',sans-serif;font-size:9pt;font-weight:400;line-height:100%">13&nbsp;</span></td><td style="background-color:#efefef;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Helvetica',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="3" style="background-color:#efefef;padding:0 1pt"></td><td colspan="3" style="background-color:#efefef;padding:0 1pt"></td><td colspan="3" style="background-color:#efefef;padding:0 1pt"></td><td colspan="2" style="background-color:#efefef;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Helvetica',sans-serif;font-size:9pt;font-weight:400;line-height:100%">12&nbsp;</span></td><td style="background-color:#efefef;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Helvetica',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="3" style="background-color:#efefef;padding:0 1pt"></td><td colspan="3" style="background-color:#efefef;padding:0 1pt"></td><td colspan="3" style="background-color:#efefef;padding:0 1pt"></td><td colspan="2" style="background-color:#efefef;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Helvetica',sans-serif;font-size:9pt;font-weight:400;line-height:100%">14&nbsp;</span></td><td style="background-color:#efefef;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Helvetica',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td></tr></tbody></table>
<table><tbody><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td><span>2022</span></td><td></td><td><span>Change</span></td><td></td><td><span>2021</span></td><td></td><td><span>Change</span></td><td></td><td><span>2020</span></td></tr><tr><td><div><span>Research and development</span></div></td><td><span>$</span></td><td><span>26,251 </span></td><td></td><td></td><td><span>20 </span></td><td><span>%</span></td><td></td><td><span>$</span></td><td><span>21,914 </span></td><td></td><td></td><td><span>17 </span></td><td><span>%</span></td><td></td><td><span>$</span></td><td><span>18,752 </span></td><td></td></tr><tr><td><div><span>Percentage of total net sales</span></div></td><td><span>7 </span></td><td><span>%</span></td><td></td><td></td><td></td><td><span>6 </span></td><td><span>%</span></td><td></td><td></td><td></td><td><span>7 </span></td><td><span>%</span></td></tr><tr><td><div><span>Selling, general and administrative</span></div></td><td><span>$</span></td><td><span>25,094 </span></td><td></td><td></td><td><span>14 </span></td><td><span>%</span></td><td></td><td><span>$</span></td><td><span>21,973 </span></td><td></td><td></td><td><span>10 </span></td><td><span>%</span></td><td></td><td><span>$</span></td><td><span>19,916 </span></td><td></td></tr><tr><td><div><span>Percentage of total net sales</span></div></td><td><span>6 </span></td><td><span>%</span></td><td></td><td></td><td></td><td><span>6 </span></td><td><span>%</span></td><td></td><td></td><td></td><td><span>7 </span></td><td><span>%</span></td></tr><tr><td><div><span>Total operating expenses</span></div></td><td><span>$</span></td><td><span>51,345 </span></td><td></td><td></td><td><span>17 </span></td><td><span>%</span></td><td></td><td><span>$</span></td><td><span>43,887 </span></td><td></td><td></td><td><span>13 </span></td><td><span>%</span></td><td></td><td><span>$</span></td><td><span>38,668 </span></td><td></td></tr><tr><td><div><span>Percentage of total net sales</span></div></td><td><span>13 </span></td><td><span>%</span></td><td></td><td></td><td></td><td><span>12 </span></td><td><span>%</span></td><td></td><td></td><td></td><td><span>14 </span></td><td><span>%</span></td></tr></tbody></table>