The following table provides a reconciliation of Non-GAAP total software product revenue to total software product revenue, the most comparable GAAP financial measure:
| (Unaudited) | ||||||||||||||||
|
Three Months Ended
December 31, |
Twelve Months Ended
December 31, | |||||||||||||||
| (in thousands) | 2019 | 2018 | 2019 | 2018 | ||||||||||||
| Total software product revenue | $ | 101,187 | $ | 79,903 | $ | 366,702 | $ | 304,361 | ||||||||
| Acquisition related deferred revenue(1) | 2,250 | — | 9,000 | — | ||||||||||||
| Non-GAAP total software product revenue | $ | 103,437 | $ | 79,903 | $ | 375,702 | $ | 304,361 | ||||||||
(1) Adjustment for revenue not recognized under GAAP due to acquisition accounting adjustments associated with the accounting for deferred revenue in significant business combinations.
The following table provides a recompilation of Free Cash Flow to net cash provided by operating activities, the most comparable GAAP financial measure:
| (Unaudited) | ||||||||||||||||
|
Three Months Ended
December 31, |
Twelve Months Ended
December 31, | |||||||||||||||
| (in thousands) | 2019 | 2018 | 2019 | 2018 | ||||||||||||
| Net cash provided by (used in) operating activities | $ | 1,388 | $ | (4,192 | ) | $ | 31,393 | $ | 36,230 | |||||||
| Capital expenditures | (1,540 | ) | (1,326 | ) | (9,660 | ) | (6,659 | ) | ||||||||
| Free Cash Flow | $ | (152 | ) | $ | (5,518 | ) | $ | 21,733 | $ | 29,571 | ||||||
Effective January 1, 2018, we adopted Accounting Standards Update No. 2014-09, Revenue from Contracts with Customers (ASC 606). The following table sets forth selected quarterly information under ASC 606 for 2018:
