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ACCOUNTS RECEIVABLE (Details) $ in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2016 USD ($) State | Dec. 31, 2015 USD ($) | Dec. 31, 2014
ACCOUNTS RECEIVABLE [Abstract] |  |  |
Percentage of amounts financed under in-house credit programs, as a percent of net sales including sales tax | 1.00% | 1.40% | 1.70%
Duration of no interest credit programs | 12 months |  |
Accounts receivable due per scheduled payment [Abstract] |  |  |
Accounts receivables collectible in one year | $ 4,506 |  |
Accounts receivables collectible in two years | 451 |  |
Accounts receivables collectible in three years | 89 |  |
Accounts receivables collectible in four years | 20 |  |
Allowance for doubtful accounts | $ 360 | $ 395 |
Account write-off period | 9 months |  |
Number of states in which accounts receivable originated | State | 16 |  |
Minimum [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Term of other programs | 30 days |  |
Interest rate of other programs | 0.00% |  |
Maximum [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Term of other programs | 3 years |  |
Interest rate of other programs | 21.00% |  |

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- Definition The duration of no interest (with equal monthly payments) credit programs selected often by customers, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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