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Accounts Receivable | 6 Months Ended
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Jun. 30, 2018
Receivables [Abstract] |
Accounts Receivable | Accounts Receivable Accounts receivable and the related allowance for doubtful accounts are as follows:
| June 30, 2018 |  | December 31, 2017
| (in thousands)
Accounts receivable | $ | 53,626 |  |  | $ | 50,457 |
Less: Allowance for doubtful accounts | (208 | ) |  | (119 | )
Total, net | $ | 53,418 |  |  | $ | 50,338 |
| Three months ended |  | Six months ended
| June 30, 2018 |  | June 30, 2017 |  | June 30, 2018 |  | June 30, 2017
Allowance for doubtful accounts: | (in thousands)
Balance, beginning of period | $ | 108 |  |  | $ | 274 |  |  | $ | 119 |  |  | $ | 90 |
Provisions for losses on accounts receivables, net of recoveries | 109 |  |  | (43 | ) |  | 98 |  |  | 141 |
Accounts receivable written off | (9 | ) |  | (150 | ) |  | (9 | ) |  | (150 | )
Balance, end of period | $ | 208 |  |  | $ | 81 |  |  | $ | 208 |  |  | $ | 81 |

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- Definition The entire disclosure for claims held for amounts due a entity, excluding financing receivables. Examples include, but are not limited to, trade accounts receivables, notes receivables, loans receivables. Includes disclosure for allowance for credit losses. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5074-111524 Reference 2: 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(4)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(5)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5162-111524 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5066-111524 Reference 6: 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)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 7: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(7)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 8: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.6-04(6)) -URI http://asc.fasb.org/extlink&oid=6488278&loc=d3e603758-122996 + Details
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