RECONCILIATION OF GAAP NET LOSS TO NON-GAAP NET INCOME (LOSS) (UNAUDITED)
(In thousands, except per share amounts)
| Three months ended | Year ended | |||||||||||||||||||
| December 31, | September 30, | December 31, | December 31, | December 31, | ||||||||||||||||
| 2021 | 2021 | 2020 | 2021 | 2020 | ||||||||||||||||
| GAAP net loss | $ | (7,000 | ) | $ | (2,407 | ) | $ | (33,449 | ) | $ | (21,488 | ) | $ | (40,363 | ) | |||||
| Adjustments to reconcile GAAP net loss to non-GAAP net income (loss): | ||||||||||||||||||||
| Stock-based compensation expense | 3,457 | 3,363 | 2,987 | 12,931 | 12,463 | |||||||||||||||
| Amortization of acquired technology | 554 | 454 | 274 | 2,079 | 705 | |||||||||||||||
| Amortization of other acquired intangible assets | 313 | 314 | 220 | 1,255 | 741 | |||||||||||||||
| Expenses of arbitration (1) | 757 | 341 | 268 | 1,951 | 1,098 | |||||||||||||||
| Write-down in value of property and equipment (2) | 3,183 | — | 179 | 3,183 | 490 | |||||||||||||||
| Acquisition-related costs (3) | — | — | 752 | — | 752 | |||||||||||||||
| Tax impact of reconciling items (4) | — | — | 1,931 | — | — | |||||||||||||||
| Tax impact of the CARES Act (5) | — | — | 1,099 | — | (1,162 | ) | ||||||||||||||
| Tax impact of valuation allowance for deferred tax assets (6) | 1,539 | 334 | 24,471 | 3,091 | 24,471 | |||||||||||||||
| Non-GAAP net income (loss) | $ | 2,803 | $ | 2,399 | $ | (1,268 | ) | $ | 3,002 | $ | (805 | ) | ||||||||
| GAAP net loss per diluted share | $ | (0.19 | ) | $ | (0.06 | ) | $ | (0.91 | ) | $ | (0.58 | ) | $ | (1.17 | ) | |||||
| Non-GAAP net income (loss) per diluted share | $ | 0.07 | $ | 0.06 | $ | (0.03 | ) | $ | 0.08 | $ | (0.02 | ) | ||||||||
| Shares used in net income (loss) per diluted share calculation | 38,430 | 37,916 | 36,727 | 37,901 | 34,458 | |||||||||||||||
