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Accounts Receivable | 12 Months Ended
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Dec. 31, 2016
Receivables [Abstract] |
Accounts Receivable | ACCOUNTS RECEIVABLE Accounts receivable, net of allowances, consisted of the following (in thousands):
| December 31,
| 2016 |  | 2015
Accounts receivable, net: |  |  |
Accounts receivable | $ | 91,596 |  |  | $ | 73,855 |
Less: allowance for doubtful accounts and sales returns | (4,831 | ) |  | (4,340 | )
Total | $ | 86,765 |  |  | $ | 69,515 |
Trade accounts receivable are recorded at invoiced amounts and do not bear interest. The Company generally does not require collateral and performs ongoing credit evaluations of its customers and provides for expected losses. The Company maintains an allowance for doubtful accounts based upon the expected collectability of its accounts receivable. The expectation of collectability is based on the Company’s review of credit profiles of customers, contractual terms and conditions, current economic trends and historical payment experience. The following is a summary of activity in allowances for doubtful accounts and sales returns for the three years ended December 31, 2016, 2015 and 2014 (in thousands):
| Balance at Beginning of Period |  | Charges to Revenue |  | Charges (Credits) to Expense |  | Additions to (Deductions from) Reserves |  | Balance at End of Period
Year ended December 31, |  |  |  |  |  |  |  |  |
2016 | $ | 4,340 |  |  | $ | 1,488 |  |  | $ | 1,100 |  |  | $ | (2,097 | ) |  | $ | 4,831 |
2015 | $ | 7,057 |  |  | $ | 1,826 |  |  | $ | 208 |  |  | $ | (4,751 | ) |  | $ | 4,340 |
2014 | $ | 8,214 |  |  | $ | 2,181 |  |  | $ | (238 | ) |  | $ | (3,100 | ) |  | $ | 7,057 |

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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 310 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=66008989&loc=d3e5066-111524 Reference 2: 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(4)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -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 Reference 4: 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)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 5: 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=66008989&loc=d3e5162-111524 Reference 6: http://www.xbrl.org/2003/role/presentationRef -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 7: http://www.xbrl.org/2003/role/presentationRef -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://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=66008989&loc=d3e5074-111524 + Details
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