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LONG-TERM DEBT (Details) | 3 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Dec. 31, 2015 USD ($) | Jun. 30, 2015 USD ($) | Dec. 31, 2015 USD ($) | Dec. 31, 2014 | Sep. 30, 2015 USD ($) | Mar. 31, 2015 USD ($) | Nov. 15, 2011 USD ($)
Long-term debt |  |  |  |  |  |  |
Current portion of long-term debt | $ 40,900,000 |  | $ 40,900,000 |  |  |  |
Credit Facility |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |
Maximum borrowing capacity | 48,500,000 |  | $ 48,500,000 |  |  |  |
Number of trailing quarters during which certain financial ratios are to be maintained and minimum level of EBITDA is to be achieved (in months) |  |  | 12 months |  |  |  |
Amount in which the maximum borrowing capacity was permanently reduced | 15,000,000 | $ 20,000,000 |  |  |  |  |
Reduction in maximum borrowing capacity | 1,500,000 | $ 1,500,000 | $ 1,500,000 |  | $ 1,500,000 | $ 1,500,000 |
Multiple which may be used to permanently reduce the maximum borrowing capacity under the credit facility |  |  | 50,000 |  |  |  |
Current portion of long-term debt | $ 40,900,000 |  | $ 40,900,000 |  |  |  |
Variable interest rate base |  |  |  | LIBOR |  |  |
Percentage points added to the reference rate |  |  |  | 1.50% |  |  |
One-month LIBOR interest rate (as a percent) |  |  |  | 0.17% |  |  |
Credit Facility | Actual |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |
Leverage ratio |  |  | 0.8 |  |  |  |
Fixed charge coverage ratio |  |  | 42.0 |  |  |  |
Credit Facility | Minimum |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |
Amount in which the maximum borrowing capacity was permanently reduced |  |  | $ 500,000 |  |  |  |
Credit Facility | Minimum | Requirement |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |
Fixed charge coverage ratio |  |  | 1.15 |  |  |  |
Credit Facility | Maximum | Requirement |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |
Leverage ratio |  |  | 2.0 |  |  |  |
Old Credit Facility |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |
Maximum borrowing capacity |  |  |  |  |  |  | $ 60,000,000

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- Definition Represents the ratio of earnings-before-interest-taxes-depreciation and amortization (EBITDA) to fixed charges allowed under the terms of the covenants of the credit facility. + References No definition available. + Details
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