Quarter Ended March 31, 2021 and 2020
| Quarter Ended March 31, | |||||||||
| 2021 | 2020 | ||||||||
| GAAP Net income (loss) per share - basic | $ | 0.37 | $ | (0.17 | ) | ||||
| GAAP Net income (loss) per share - diluted | 0.36 | (0.17 | ) | ||||||
| Adjustments: | |||||||||
| Amortization, stock-based compensation & other | 0.11 | 0.09 | |||||||
| Legal, acquisition and divestiture related | (0.31 | ) | — | ||||||
| Cost optimization plan, including severance costs | 0.01 | 0.02 | |||||||
| Impairment of cost-method investments | — | 0.01 | |||||||
| Non-GAAP Net income (loss) per share - basic | $ | 0.17 | $ | (0.04 | ) | ||||
| Non-GAAP Net income (loss) per share - diluted | $ | 0.17 | $ | (0.04 | ) | ||||
- Amounts in table may not foot due to rounding
