The following table provides a reconciliation of Non-GAAP net income and Non-GAAP net income per share – diluted, to net income (loss) and net income (loss) per share – diluted, the most comparable GAAP financial measures:
| (Unaudited) | |||||||||||||||
|
Three Months Ended
December 31, |
Twelve Months Ended
December 31, | ||||||||||||||
| (in thousands, except per share amounts) | 2020 | 2019 | 2020 | 2019 | |||||||||||
| Net income (loss) | $ | 2,198 | $ | (1,502 | ) | $ | (10,500 | ) | $ | (7,542 | ) | ||||
| Stock-based compensation expense | 7,416 | 2,944 | 21,355 | 8,528 | |||||||||||
| Amortization of intangible assets | 4,986 | 3,769 | 16,376 | 14,442 | |||||||||||
| Special adjustments (1) | — | 7 | (372 | ) | 2,038 | ||||||||||
| Income tax effect of non-GAAP adjustments | (451 | ) | 34 | (1,380 | ) | (1,069 | ) | ||||||||
| Non-GAAP net income | $ | 14,149 | $ | 5,252 | $ | 25,479 | $ | 16,397 | |||||||
| Net income (loss) per share - diluted | $ | 0.03 | $ | (0.02 | ) | $ | (0.14 | ) | $ | (0.11 | ) | ||||
| Non-GAAP net income per share - diluted | $ | 0.17 | $ | 0.07 | $ | 0.31 | $ | 0.21 | |||||||
| GAAP diluted shares outstanding: | 78,484 | 72,227 | 73,241 | 71,544 | |||||||||||
| Non-GAAP diluted shares outstanding: | 83,000 | 78,000 | 83,000 | 78,000 | |||||||||||
