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Valuation and Qualifying Accounts | 12 Months Ended
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Dec. 31, 2017
Valuation and Qualifying Accounts |
Valuation and Qualifying Accounts | SCHEDULE II VASCO DATA SECURITY INTERNATIONAL, INC. VALUATION AND QUALIFYING ACCOUNTS Allowance for doubtful accounts for trade receivables.
|  |  |  |  | Provision |  |  |  | Foreign |  |  |
|  | Beginning |  | for Bad |  |  |  | Currency |  | Ending
For the year ended December 31, |  | Balance |  | Debts |  | Chargeoffs |  | Translation |  | Balance
2017 |  | $ | 535 |  | 120 |  | (137) |  | 2 |  | $ | 520
2016 |  | $ | 621 |  | (85) |  | — |  | (1) |  | $ | 535
2015 |  | $ | 223 |  | 686 |  | (293) |  | 5 |  | $ | 621
See accompanying independent auditors’ report.

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- Definition The entire disclosure for any allowance and reserve accounts (their beginning and ending balances, as well as a reconciliation by type of activity during the period). Alternatively, disclosure of the required information may be within the footnotes to the financial statements or a supplemental schedule to the financial statements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -URI http://asc.fasb.org/topic&trid=2122369 + Details
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