| Segment | Q2 '24 | Q3 '24 | Q4 '24 | Q1 '25 | Q2 '25 | Q3 '25 | Q4 '25 | Q1 '26 |
|---|---|---|---|---|---|---|---|---|
| FUELCHEM | $1.69M | $2.35M | $1.93M | $2.55M | $1.62M | $2.4M | $2.63M | $2.45M |
| Air Pollution Control | $2.41M | $2.1M | $1.12M | $878K | $1.41M | $1.43M | $1.38M | $989K |
| All Other Segments | -$0 | -$0 | $0 | -$0 | -$0 | -$0 | $0 | -$0 |
| Total | $3.63M | $3.63M | $3.63M | $3.57M | $3.57M | $3.57M | $3.57M | — |