| Three Months Ended December 31, | Twelve Months Ended December 31, | ||||||||||||||
| 2021 | 2020 | 2021 | 2020 | ||||||||||||
| (in thousands, excepts per share data) | |||||||||||||||
| Net (loss) income | $ | (7,790 | ) | $ | 6,056 | $ | (23,384 | ) | $ | (3,260 | ) | ||||
| Add: | |||||||||||||||
| Stock-based compensation expense (1) | 4,366 | 177 | 5,510 | 458 | |||||||||||
| Acquisition costs (2) | — | 1,429 | 238 | 1,429 | |||||||||||
| Amortization of acquired intangible assets (3,4) | 120 | 41 | 478 | 41 | |||||||||||
| Gain on extinguishment of debt | — | (1,593 | ) | (10 | ) | (1,593 | ) | ||||||||
| Non-GAAP net (loss) income (5) | $ | (3,304 | ) | $ | 6,110 | $ | (17,168 | ) | $ | (2,925 | ) | ||||
| Net (loss) income per share attributable to common stockholders, basic | $ | (0.27 | ) | $ | 0.34 | $ | (1.06 | ) | $ | (0.19 | ) | ||||
| Net (loss) income per share attributable to common stockholders, diluted | $ | (0.27 | ) | $ | 0.29 | $ | (1.06 | ) | $ | (0.19 | ) | ||||
| Per share impacts of adjustments to net (loss) income (6) | $ | 0.15 | $ | — | $ | 0.28 | $ | 0.02 | |||||||
| Non-GAAP EPS, basic | $ | (0.12 | ) | $ | 0.34 | $ | (0.78 | ) | $ | (0.17 | ) | ||||
| Non-GAAP EPS, diluted | $ | (0.12 | ) | $ | 0.29 | $ | (0.78 | ) | $ | (0.17 | ) | ||||
| Weighted average shares used in computing per share amounts, basic | 28,501,707 | 17,823,657 | 21,972,101 | 17,577,846 | |||||||||||
| Weighted average shares used in computing per share amounts, diluted | 28,501,707 | 20,546,017 | 21,972,101 | 17,577,846 | |||||||||||
(1) See table in footnote (1) to the Non-GAAP (Loss) Income from Operations above for breakdown of stock-based compensation expense by line item.
