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VALUATION AND QUALIFYING ACCOUNTS (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2019 | Dec. 31, 2018
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items] |  |
BEGINNING BALANCE | $ 2,286 | $ 2,206
Add - Additions charged to earnings | 4,611 | 4,481
Deduct - Charges for purposes for which reserves were established | (4,488) | (4,401)
ENDING BALANCE | 2,409 | 2,286
Sales Returns and Allowances [Member] |  |
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items] |  |
BEGINNING BALANCE | 951 | 871
Add - Additions charged to earnings | 122 | 311
Deduct - Charges for purposes for which reserves were established | (87) | (231)
ENDING BALANCE | 986 | 951
SEC Schedule, 12-09, Allowance, Credit Loss [Member] |  |
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items] |  |
BEGINNING BALANCE | 1,335 | 1,335
Add - Additions charged to earnings | 4,489 | 4,170
Deduct - Charges for purposes for which reserves were established | (4,401) | (4,170)
ENDING BALANCE | $ 1,423 | $ 1,335

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- Definition Amount of valuation and qualifying accounts and reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690 + Details
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- Definition Amount of increase in valuation and qualifying accounts and reserves from charge to cost and expense. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690 + Details
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- Definition Amount of decrease in valuation and qualifying accounts and reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690 + Details
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