Note 6 - Debt - Summary of Future Maturities of Loans (Details) - USD ($) $ in Thousands |
Dec. 31, 2017 |
Dec. 31, 2016 |
|---|---|---|
| 2018 | $ 3,039 | |
| 2019 | 3,037 | |
| 2020 | 3,036 | |
| 2021 | 19,279 | |
| 2022 | ||
| Long-term Debt | 28,391 | $ 31,891 |
| Unamortized value of the debt issuance costs, 2018 | (28) | |
| Unamortized value of the debt issuance costs, 2019 | (30) | |
| Unamortized value of the debt issuance costs, 2020 | (31) | |
| Unamortized value of the debt issuance costs, 2021 | (31) | |
| Unamortized value of the debt issuance costs, 2022 | ||
| Unamortized value of the debt issuance costs, Total | (120) | (109) |
| 2018 | 3,039 | |
| 2019 | 3,037 | |
| 2020 | 3,036 | |
| 2021 | 19,279 | |
| 2022 | ||
| Total | 28,391 | 31,891 |
| Term Loan [Member] | ||
| 2018 | 3,067 | |
| 2019 | 3,067 | |
| 2020 | 3,067 | |
| 2021 | 19,310 | |
| 2022 | ||
| Long-term Debt | 28,511 | 32,000 |
| 2018 | 3,067 | |
| 2019 | 3,067 | |
| 2020 | 3,067 | |
| 2021 | 19,310 | |
| 2022 | ||
| Total | $ 28,511 | $ 32,000 |
| X | ||||||||||
- Definition Unamortized value of debt issuance costs principal remainder of fiscal year. No definition available.
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| X | ||||||||||
- Definition Unamortized value of debt issuance costs principal in year five. No definition available.
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| X | ||||||||||
- Definition Unamortized value of debt issuance costs principal in year four. No definition available.
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| X | ||||||||||
- Definition Unamortized value of debt issuance costs principal in year three. No definition available.
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| X | ||||||||||
- Definition Unamortized value of debt issuance costs principal in year two. No definition available.
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| X | ||||||||||
- Definition Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Details
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