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Note 10 - Accounts Payable and Accrued Expenses | 12 Months Ended
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Dec. 31, 2017
Notes to Financial Statements |
Accounts Payable and Accrued Liabilities Disclosure [Text Block] | NOTE 10 — ACCOUNTS PAYABLE AND ACCRUED EXPENSES Accounts payable and accrued expenses consist of the following:
|  | December 31, |
|  | 2017 |  |  | 2016 |
|  | (Dollars in thousands) |
Trade payables |  | $ | 64,289 |  |  | $ | 48,309 |
Salaries and other payroll costs |  |  | 19,888 |  |  |  | 17,977 |
Customer advances |  |  | 1,177 |  |  |  | 576 |
Accrued interest |  |  | 4,462 |  |  |  | 3,524 |
Income tax payable |  |  | 43,682 |  |  |  | 8,824 |
Property tax payable |  |  | 1,860 |  |  |  | 1,884 |
Scheduling and transmission |  |  | 531 |  |  |  | 964 |
Royalty accrual |  |  | 2,909 |  |  |  | 1,639 |
Other |  |  | 14,998 |  |  |  | 7,953 |
Total |  | $ | 153,796 |  |  | $ | 91,650 |

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- Definition The entire disclosure for accounts payable and accrued liabilities at the end of the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(a),20,24) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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