v3.19.3.a.u2

Consolidated Statements of Cash Flows - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Cash flows from operating activities |  |  |
Net loss | $ (235,222) | $ (38,330) | $ (29,423)
Adjustments to reconcile net loss to net cash (used in) provided by operating activities: |  |  |
Depreciation and amortization expense | 69,843 | 32,785 | 19,624
Stock-based compensation expense | 51,504 | 31,410 | 21,930
Non-cash lease expense | 11,725 | 0 | 0
Bad debt expense | 1,425 | 0 | 0
Impairment charge | 70,379 | 0 | 0
Changes in operating assets and liabilities, net of assets and liabilities acquired: |  |  |
Accounts receivable, net | 11,949 | (18,497) | (5,634)
Payments to university clients | (21,675) | (11,322) | (13,239)
Prepaid expenses and other assets | (6,845) | (4,932) | 1,549
Accounts payable and accrued expenses | 17,081 | 4,724 | 3,504
Accrued compensation and related benefits | (5,539) | 4,046 | 2,504
Deferred revenue | 10,014 | 1,527 | 1,661
Other liabilities, net | (28,595) | (6,243) | 4,763
Other | 1,982 | 1,712 | 867
Net cash (used in) provided by operating activities | (51,974) | (3,120) | 8,106
Cash flows from investing activities |  |  |
Purchase of a business, net of cash acquired | (388,004) | 0 | (97,102)
Additions of amortizable intangible assets | (64,923) | (65,190) | (23,823)
Purchases of property and equipment | (13,421) | (11,996) | (27,316)
Purchase of investments | (10,000) | (25,000) | 0
Proceeds from maturities of investments | 25,000 | 0 | 0
Advances made to university clients | (400) | (300) | (1,950)
Advances repaid by university clients | 350 | 25 | 817
Net cash used in investing activities | (451,398) | (102,461) | (149,374)
Cash flows from financing activities |  |  |
Proceeds from issuance of common stock, net of offering costs | 0 | 330,901 | 189,463
Proceeds from debt | 244,724 | 0 | 3,500
Payments on debt | 0 | 0 | (1,517)
Payment of debt issuance costs | (1,953) | 0 | 0
Tax withholding payments associated with settlement of restricted stock units | (2,574) | (3,451) | (1,309)
Proceeds from exercise of stock options | 3,119 | 7,366 | 6,615
Proceeds from employee stock purchase plan share purchases | 3,382 | 3,121 | 0
Payments for acquisition of amortizable intangible assets | (2,180) | (4,900) | 0
Net cash provided by financing activities | 244,518 | 333,037 | 196,752
Effect of exchange rate changes on cash | (1,049) | (1,054) | (844)
Net (decrease) increase in cash, cash equivalents and restricted cash | (259,903) | 226,402 | 54,640
Cash, cash equivalents and restricted cash, beginning of period | 449,772 | 223,370 | 168,730
Cash, cash equivalents and restricted cash, end of period | $ 189,869 | $ 449,772 | $ 223,370

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