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CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands | Total | Class A Common Stock | Additional Paid-In Capital | Treasury Stock | Accumulated Other Comprehensive Income (Loss) | Accumulated Deficit
--- | --- | --- | --- | --- | --- | ---
Balance, Beginning at Jan. 31, 2019 | $ 31,405 |  | $ 14 | $ 1,166,443 | $ (1,177) | $ 23 | $ (1,133,898)
Balance, Beginning, Shares at Jan. 31, 2019 |  |  | 144,311,000 |  |  |  |
Issuance of common stock upon stock option exercises | 1,213 |  |  | 1,213 |  |  |
Issuance of common stock upon stock option exercises (in shares) |  |  | 152,000 |  |  |  |
Stock-based compensation related to stock awards | 35,678 |  |  | 35,678 |  |  |
Vesting of restricted stock units, net of shares withheld for employee payroll taxes | 1 |  | $ 1 |  |  |  |
Vesting of restricted stock units, net of shares withheld for employee payroll taxes (in shares) |  |  | 1,205,000 |  |  |  |
Employee payroll taxes withheld related to vesting of restricted stock units | (14,624) |  |  | (14,624) |  |  |
Common stock issued under employee stock purchase plan | 13,605 |  |  | 13,605 |  |  |
Common stock issued under employee stock purchase plan (in shares) |  |  | 829,000 |  |  |  |
Other comprehensive income (loss) | 88 | [1] |  |  |  | 88 |
Net loss | (36,828) |  |  |  |  |  | (36,828)
Balance, Ending at Apr. 30, 2019 | 30,538 |  | $ 15 | 1,202,315 | (1,177) | 111 | (1,170,726)
Balance, Ending, Shares at Apr. 30, 2019 |  |  | 146,497,000 |  |  |  |
Balance, Beginning at Jan. 31, 2020 | 22,357 |  | $ 15 | 1,302,072 | (1,177) | (307) | (1,278,246)
Balance, Beginning, Shares at Jan. 31, 2020 |  |  | 150,611,000 |  |  |  |
Issuance of common stock upon stock option exercises | $ 965 |  |  | 965 |  |  |
Issuance of common stock upon stock option exercises (in shares) | 222,426 |  | 222,000 |  |  |  |
Stock-based compensation related to stock awards | $ 42,766 |  |  | 42,766 |  |  |
Vesting of restricted stock units, net of shares withheld for employee payroll taxes (in shares) |  |  | 1,331,000 |  |  |  |
Employee payroll taxes withheld related to vesting of restricted stock units | (10,264) |  |  | (10,264) |  |  |
Common stock issued under employee stock purchase plan | 11,906 |  |  | 11,906 |  |  |
Common stock issued under employee stock purchase plan (in shares) |  |  | 1,282,000 |  |  |  |
Other comprehensive income (loss) | (1,332) | [1] |  |  |  | (1,332) |
Net loss | (25,550) |  |  |  |  |  | (25,550)
Balance, Ending at Apr. 30, 2020 | $ 40,848 |  | $ 15 | $ 1,347,445 | $ (1,177) | $ (1,639) | $ (1,303,796)
Balance, Ending, Shares at Apr. 30, 2020 |  |  | 153,446,000 |  |  |  |
[1] | Tax effect was not material

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