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Accounts Receivable (Tables) | 12 Months Ended
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Dec. 31, 2017
Receivables [Abstract] |
Accounts Receivable |
| December 31,
| 2017 |  | 2016
| (in thousands)
Accounts receivable | $ | 50,457 |  |  | $ | 43,091 |
Less: Allowance for doubtful accounts | (119 | ) |  | (90 | )
Total, net | $ | 50,338 |  |  | $ | 43,001 |
Accounts Receivable (Allowance) |
| Years Ending December 31,
| 2017 |  | 2016 |  | 2015
Allowance for doubtful accounts: | (in thousands)
Balance, beginning of period | $ | 90 |  |  | $ | 115 |  |  | $ | 171 |
Provisions for losses on accounts receivables, net of adjustments | 179 |  |  | (25 | ) |  | (48 | )
Accounts receivable written off, net of recoveries | (150 | ) |  | — |  |  | (8 | )
Balance, end of period | $ | 119 |  |  | $ | 90 |  |  | $ | 115 |

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- Definition Tabular disclosure of activity in the allowance for doubtful accounts receivable account. + References No definition available. + Details
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- References No definition available. + Details
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- Definition Tabular disclosure of the various types of trade accounts and notes receivable and for each the gross carrying value, allowance, and net carrying value as of the balance sheet date. Presentation is categorized by current, noncurrent and unclassified receivables. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.3,4) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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