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LONG-TERM OBLIGATIONS (Detail Textuals) € in Thousands, $ in Thousands | 1 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Dec. 20, 2018 USD ($) | Nov. 30, 2017 EUR (€) | Dec. 31, 2018 USD ($) | Dec. 31, 2017 USD ($) | Mar. 04, 2019 USD ($) | Jan. 01, 2019 USD ($) | Dec. 19, 2018 USD ($)
First Tennessee Bank National Association | Revolving Credit Facility |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |
Revolving credit facility | $ 50,000 |  |  |  |  |  |
Description of reference rate basis | LIBOR rate |  |  |  |  |  |
Variable interest rate in addition to reference rate | 1.50% |  |  |  |  |  |
Interest expense on credit facility |  |  | $ 512 | $ 492 |  |  |
Outstanding borrowings credit facility |  |  | $ 15,000 | 10,000 |  |  |
Interest rate |  |  | 3.52% |  |  |  |
Description of variable rate plus applicable margin | either 1.00% or 1.25% depending on the Company's Leverage Ratio |  |  |  |  |  |
Debt instrument description of non-default rate of interest | equal to the LIBOR Market Index Rate plus 1.00% or 1.25% per annum |  |  |  |  |  |
Minimum tangible net worth required for compliance | $ 160,000 |  |  |  |  |  | $ 130,000
Tangible net worth |  |  | $ 216,000 |  |  |  |
First Tennessee Bank National Association | Revolving Credit Facility | Subsequent event |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |
Outstanding borrowings credit facility |  |  |  |  | $ 20,000 | $ 5,000 |
First Tennessee Bank National Association | Revolving Credit Facility | Minimum |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |
Non-usage fee for current loan agreement in annual amount percentage |  |  | 0.15% |  |  |  |
First Tennessee Bank National Association | Revolving Credit Facility | Maximum |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |
Non-usage fee for current loan agreement in annual amount percentage |  |  | 0.35% |  |  |  |
Jige International S.A. | Banque Europeenne du Credit Mutuel |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |
Outstanding borrowings credit facility |  |  | $ 760 | 606 |  |  |
Unsecured fixed rate loan | € |  | € 1,000 |  |  |  |  |
Maturity date |  | Sep. 30, 2020 |  |  |  |  |
Interest rate per annum |  | 0.30% |  |  |  |  |
Long-term debt |  |  | 475 | 212 |  |  |
Long-term obligations |  |  | $ 285 | $ 394 |  |  |

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