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v3.19.1

CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2019 | Mar. 31, 2018
Operating activities: |  |
Net (loss) income | $ (7,906) | $ 1,673
Adjustments to reconcile net (loss) income to net cash provided by operating activities: |  |
Depreciation and amortization | 3,664 | 3,298
Bad debt expense | 827 | 165
Net realized loss on short-term investments | 41 | 0
Deferred taxes | (1,694) | (2,662)
Share-based compensation expense | 3,017 | 4,743
Changes in operating assets and liabilities: |  |
Accounts receivable | 10,266 | 422
Prepaid expenses and other current assets | (3,070) | (3,783)
Deposits and other assets | (134) | 228
Accounts payable and accrued expenses | (3,108) | (6,016)
Accrued compensation and employee benefits | (12,195) | (8,085)
Deferred revenue and advance payments | 38,502 | 19,570
Operating lease liabilities | (2,074) | 0
Other long-term liabilities | 320 | 9,164
Net cash provided by operating activities | 26,456 | 18,717
Investing activities: |  |
Proceeds from redemption of short-term investments | 314,403 | 195,820
Purchases of property and equipment | (6,011) | (1,294)
Purchases of short-term investments | (138,099) | (483,440)
Net cash provided by (used in) investing activities | 170,293 | (288,914)
Financing activities: |  |
Proceeds from sale of class A common stock under exercise of employee stock options | 1,507 | 0
Purchases of treasury stock | (48,244) | 0
Payments on capital lease obligations and other financing arrangements prior to the adoption of ASU 2016-02 | 0 | (7)
Net cash used in financing activities | (46,737) | (7)
Effect of foreign exchange rate changes on cash, cash equivalents, and restricted cash | (1,133) | 2,202
Net increase (decrease) in cash, cash equivalents, and restricted cash | 148,879 | (268,002)
Cash, cash equivalents and restricted cash, beginning of period | 110,786 | 421,182
Cash, cash equivalents and restricted cash, end of period | $ 259,665 | $ 153,180

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