Revenue
| 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | |
|---|---|---|---|---|---|---|
| Licensing | $16,070,679 | $15,364,797 | $12,118,262 | $18,230,172 | $11,545,189 | $12,311,049 |
| Patent Expense Reimbursement | $4,572,625 | $5,212,692 | $3,514,979 | $3,530,858 | $3,718,756 | $3,246,595 |
| Total | $20,643,304 | $20,577,489 | $15,633,241 | $21,761,030 | $15,263,945 | $15,557,644 |
*Figures presented are cash based.