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Schedule II. - VALUATION AND QUALIFYING ACCOUNTS | 12 Months Ended
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Dec. 31, 2017
Schedule II. - VALUATION AND QUALIFYING ACCOUNTS |
Schedule II. - VALUATION AND QUALIFYING ACCOUNTS | Schedule II. - VALUATION AND QUALIFYING ACCOUNTS
Year ended December 31, |  | Balance at beginning of year |  | Charged to costs and expenses (F1) |  | Deductions (F1) |  | Other |  | Balance at end of year |
2015 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Allowance for doubtful accounts |  | $ | 317 |  | $ | 240 |  | $ | (106) |  | $ | — |  | $ | 451 |
2016 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Allowance for doubtful accounts |  | $ | 451 |  | $ | 74 |  | $ | (150) |  | $ | — |  | $ | 375 |
2017 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Allowance for doubtful accounts |  | $ | 375 |  | $ | 103 |  | $ | (215) |  | $ | — |  | $ | 263 |
(F1) The Company reviews receivables monthly and, accordingly, adjusts the allowance for doubtful accounts monthly. The Company records write-offs annually. The amount charged to costs and expenses reflects the bad debt expense recorded in the consolidated statements of income, while the amount recorded for deductions reflects the adjustment to actual allowance for doubtful accounts reserve at the end of the period.

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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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- References No definition available. + Details
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