| 2017 | 2018 | 2019 |
Revenue | $7932 | $11,270 | $15,108 |
Inc. % |
| 42% | 34% |
Cost of Sales | $4160 | $5623 | $6799 |
% of Rev | 52% | 50% | 45% |
Research Development | $1201 | $1505 | $1964 |
% of Rev | 15% | 13% | 13% |
SG&A | $6141 | $6749 | $7252 |
% of Rev | 77% | 60% | 48% |
EBIT | ($3570) | ($2607) | ($906) |