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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
CASH FLOWS FROM OPERATING ACTIVITIES: |  |  |
Net loss | $ (19,907) | $ (4,123) | $ (16,233)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities: |  |  |
Provision for transaction losses | 5,110 | 4,250 | 5,550
Depreciation and amortization | 4,949 | 4,186 | 8,462
Amortization of debt issuance costs | 77 | 49 | 0
Change in fair value of redeemable convertible preferred stock warrant liability | 6,056 | 118 | 114
Change in fair value of Tides Foundation common stock warrant | 226 | 0 | 0
Stock-based compensation expense | 10,361 | 6,846 | 7,266
Loss on disposal of fixed assets | 91 | 66 | 32
Changes in operating assets and liabilities: |  |  |
Trade and client receivables | 3,506 | (8,860) | (8,320)
Prepaid expenses and other assets | (1,292) | (479) | (450)
Accounts payable | 1,609 | 74 | (578)
Accrued expenses and other liabilities | 2,849 | (6,148) | 7,057
Deferred revenue | 109 | 20 | 248
Net cash provided by (used in) operating activities | 13,744 | (4,001) | 3,148
CASH FLOWS FROM INVESTING ACTIVITIES: |  |  |
Decrease (increase) in restricted cash | (444) | 208 | 371
Purchases of property and equipment | (3,002) | (1,830) | (846)
Internal-use software and platform development costs | (3,839) | (489) | 0
Net cash used in investing activities | (7,285) | (2,111) | (475)
CASH FLOWS FROM FINANCING ACTIVITIES: |  |  |
Changes in funds held in escrow, including funds in transit | (10,991) | (27,362) | 4,725
Changes in escrow funds payable | 10,991 | 27,362 | (4,725)
Proceeds from exercises of stock options and common stock warrant | 8,160 | 2,547 | 270
Proceeds from exercise of redeemable convertible preferred stock warrant | 0 | 260 | 0
Repurchase of redeemable convertible preferred stock | 0 | (19,208) | 0
Taxes paid related to net share settlement of RSUs | (247) | 0 | 0
Proceeds from borrowings on debt | 15,000 | 34,000 | 17,000
Payment of debt issuance costs | 0 | (177) | (38)
Repayment of debt | (25,000) | (17,000) | (12,000)
Proceeds from the initial public offering, net of discounts and commissions | 109,381 | 0 | 0
Payments of costs related to the initial public offering | (6,220) | (41) | 0
Net cash provided by financing activities | 101,074 | 381 | 5,232
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS | 107,533 | (5,731) | 7,905
Cash and cash equivalents, beginning of year | 21,595 | 27,326 | 19,421
Cash and cash equivalents, end of year | 129,128 | 21,595 | 27,326
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION: |  |  |
Cash paid for income taxes | 13 | 55 | 0
Cash paid for interest | 1,976 | 847 | 1,330
SUPPLEMENTAL DISCLOSURES OF NON-CASH INVESTING AND FINANCING ACTIVITIES: |  |  |
Property and equipment purchased but not yet paid | 2,945 | 114 | 0
Reclassification of redeemable convertible preferred stock warrant liability to redeemable convertible preferred stock | 0 | 144 | 0
Conversion of redeemable convertible preferred stock warrant in connection with the initial public offering | 7,160 | 0 | 0
Conversion of redeemable convertible preferred stock in connection with the initial public offering | 166,486 | 0 | 0
Unpaid deferred offering costs | $ 0 | $ 25 | $ 0

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- Definition The cash outflow associated with the development or modification of software programs or applications for internal use (that is, not to be sold, leased or otherwise marketed to others) that qualify for capitalization. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3213-108585 + Details
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- Definition The cash inflow associated with the amount received from entity's first offering of stock to the public. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3255-108585 + Details
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- Definition The cash inflow during the period from additional borrowings in aggregate debt. Includes proceeds from short-term and long-term debt. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3255-108585 + Details
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- Definition The cash inflow from issuance of callable preferred stock which is identified as being convertible to another type of financial security at the option of the issuer or the holder. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3255-108585 + Details
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- Definition The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 1A -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=114867106&loc=SL7669619-108580 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=109239629&loc=SL4573702-111684 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 1B -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=114867106&loc=SL7669625-108580 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=109239629&loc=SL4573702-111684 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599 Reference 6: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4J -URI http://asc.fasb.org/extlink&oid=84234705&loc=SL4591551-111686 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3000-108585 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 19 -URI http://asc.fasb.org/extlink&oid=108774443&loc=SL4569616-111683 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8933-108599 Reference 10: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4K -URI http://asc.fasb.org/extlink&oid=84234705&loc=SL4591552-111686 + Details
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- Definition The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3291-108585 + Details
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- Definition The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585 + Details
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- Definition Redemption of temporary equity as the result of a triggering event associated with the temporary equity. + References No definition available. + Details
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