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Accounts Receivable (Tables) | 9 Months Ended
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Sep. 30, 2019
Receivables [Abstract] |
Accounts Receivable |
| September 30, 2019 |  | December 31, 2018
| (in thousands) |  |
Accounts receivable | $ | 56,436 |  |  | $ | 54,342 |
Less: Allowance for doubtful accounts | (353) |  |  | (264) |
Total, net | $ | 56,083 |  |  | $ | 54,078 |
Allowance for Doubtful Accounts |
| Three months ended |  |  |  | Nine months ended |  |
| September 30, 2019 |  | September 30, 2018 |  | September 30, 2019 |  | September 30, 2018
Allowance for doubtful accounts: | (in thousands) |  |  |  |  |  |
Balance, beginning of period | $ | 392 |  |  | $ | 208 |  |  | $ | 264 |  |  | $ | 119 |
Provisions for losses on accounts receivables, net of adjustments | (37) |  |  | (31) |  |  | 91 |  |  | 67 |
Accounts receivable written off, net of recoveries | (2) |  |  | — |  |  | (2) |  |  | (9) |
Balance, end of period | $ | 353 |  |  | $ | 177 |  |  | $ | 353 |  |  | $ | 177 |

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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://fasb.org/us-gaap/role/ref/legacyRef -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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