Table:
|  |  | December 31, 2018 |  |
| --- | --- | --- | --- |
|  | As Previously Reported | Adjustment | As Revised |
| Deferred commissions, current portion | $24,467 | $1,064 | $25,531 |
| Total current assets | 573,035 | 1,064 | 574,099 |
| Deferred commissions, net of current portion | 45,444 | 10,006 | 55,450 |
| Total assets | 807,156 | 11,070 | 818,226 |
| Accrued expenses | 68,331 | 1,734 | 70,065 |
| Total current liabilities | 400,423 | 1,734 | 402,157 |
| Accumulated deficit | (529,962) | 9,336 | (520,626) |
| Total stockholders’ equity | 55,907 | 9,336 | 65,243 |
| Total liabilities and stockholders’ equity | 807,156 | 11,070 | 818,226 |
Paragraphs:
Revision of Prior Period Financial Statements
During the preparation of the financial statements for the three months ended September 30, 2019, the Company identified a misstatement in previously issued financial statements. The misstatement related to an error in the measurement of the cumulative effect of the accounting change related to the Company’s January 1, 2018 adoption of Accounting Standards Update No. 2014-09, “Revenue from Contracts with Customers (Topic 606)” (“ASU 2014-09” or “Topic 606”) and impacted the January 1, 2018 opening accumulated deficit balance and the related opening balances of deferred commissions assets and accrued expenses. The Company determined that the error was not material to any previously issued financial statements. The Company has revised the December 31, 2018 consolidated balance sheet and the statements of changes in stockholders’ equity for all periods after January 1, 2018 to correct the misstatement as follows (in thousands):
Question:
Which date's opening accumulated deficit balance did the company's misstatement affect?
Answer: January 1, 2018