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Summary of significant accounting policies (Tables) | 3 Months Ended
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Mar. 31, 2019
Accounting Policies [Abstract] |
Schedule of Cash and Cash Equivalents | As of March 31, 2019 and 2018, the Company's cash, cash equivalents and restricted cash balances consist of the following:
| Three Months Ended March 31,
(In thousands) | 2019 |  | 2018
Cash and cash equivalents | $ | 18,707 |  |  | $ | 5,368 |
Restricted cash | 1,480 |  |  | — |
Total cash, cash equivalents and restricted cash | $ | 20,187 |  |  | $ | 5,368 |
Schedule of Error Corrections and Prior Period Adjustments | The following table summarizes the reclassification activity for the three months ended March 31, 2018:
(in thousands) | As previously reported (1) |  | Category expansion |  | Operating costs and expenses reclassification |  | As currently reported
Cost of revenue (exclusive of depreciation and amortization) | $ | 35,663 |  |  | $ | — |  |  | $ | 1,956 |  |  | $ | 37,619 |
Sales and marketing | 4,006 |  |  | (481 | ) |  | (423 | ) |  | 3,102 |
Product development | — |  |  | 734 |  |  | — |  |  | 734 |
General and administrative | 8,445 |  |  | (253 | ) |  | (1,533 | ) |  | 6,659 |
Restrictions on Cash and Cash Equivalents | As of March 31, 2019 and 2018, the Company's cash, cash equivalents and restricted cash balances consist of the following:
| Three Months Ended March 31,
(In thousands) | 2019 |  | 2018
Cash and cash equivalents | $ | 18,707 |  |  | $ | 5,368 |
Restricted cash | 1,480 |  |  | — |
Total cash, cash equivalents and restricted cash | $ | 20,187 |  |  | $ | 5,368 |

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- Definition Tabular disclosure of prior period adjustments to previously issued financial statements including (1) the effect of the correction on each financial statement line item and any per-share amounts affected for each prior period presented (2) the cumulative effect of the change on retained earnings or other appropriate components of equity or net assets in the statement of financial position, as of the beginning of the earliest period presented, and (3) the effect of the prior period adjustments (both gross and net of applicable income tax) on the net income of each prior period presented in the entity's annual report for the year in which the adjustments are made. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 250 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=109234566&loc=d3e22663-107794 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 250 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=109234566&loc=d3e22644-107794 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 250 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=109234566&loc=d3e22658-107794 + Details
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