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Accounts Receivable | 6 Months Ended
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Jun. 30, 2014
Receivables [Abstract] |
Accounts Receivable | Accounts Receivable Accounts receivable and the related allowance for doubtful accounts are as follows:
| June 30, 2014 |  | December 31, 2013
| (in thousands)
Accounts receivable | $ | 53,080 |  |  | $ | 39,256 |
Less: Allowance for doubtful accounts | (185 | ) |  | (193 | )
Total, net | $ | 52,895 |  |  | $ | 39,063 |
| Three months ended |  | Six months ended
| June 30, 2014 |  | June 30, 2013 |  | June 30, 2014 |  | June 30, 2013
Allowance for doubtful accounts: | (in thousands) |  |  |  |
Balance, beginning of period | $ | 63 |  |  | $ | 321 |  |  | $ | 193 |  |  | $ | 52 |
Provisions for losses on accounts receivables | 115 |  |  | (167 | ) |  | (15 | ) |  | 102 |
Accounts receivable written off, net of recoveries | 7 |  |  | — |  |  | 7 |  |  | — |
Balance, end of period | $ | 185 |  |  | $ | 154 |  |  | $ | 185 |  |  | $ | 154 |

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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://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 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 3, 4 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=28368275&loc=d3e5074-111524 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=28368275&loc=d3e5066-111524 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 7 -Article 9 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(k)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph k -Article 4 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=28368275&loc=d3e5162-111524 + Details
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