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v3.20.2

Note 1 - Summary of Significant Accounting Policies (Tables) | 9 Months Ended
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Sep. 30, 2020
Notes Tables |
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] |
September 30, 20 20 (in thousands) |  | Level 1 |  |  | Level 2 |  | Level 3
Assets: |  |  |  |  |  |  |  |  |
Investments: |  |  |  |  |  |  |  |  |
Equity Funds – Held by Captive Insurance Company |  | $ | 1,665 |  |  |  |  |  |
Corporate Debt Securities – Held by Captive Insurance Company |  |  |  |  |  | $ | 2,887 |  |
Government-Backed and Government-Sponsored Enterprises’ Debt Securities – Held by Captive Insurance Company |  |  |  |  |  |  | 6,131 |  |
Other Assets: |  |  |  |  |  |  |  |  |
Money Market and Mutual Funds –Retirement Plans |  |  | 1,582 |  |  |  |  |  |
Total Assets |  | $ | 3,247 |  |  | $ | 9,018 |  |
December 31, 20 19 (in thousands) |  | Level 1 |  |  | Level 2 |  | Level 3
Assets: |  |  |  |  |  |  |  |  |
Investments: |  |  |  |  |  |  |  |  |
Equity Funds – Held by Captive Insurance Company |  | $ | 1,586 |  |  |  |  |  |
Corporate Debt Securities – Held by Captive Insurance Company |  |  |  |  |  | $ | 2,124 |  |
Government-Backed and Government-Sponsored Enterprises’ Debt Securities – Held by Captive Insurance Company |  |  |  |  |  |  | 6,060 |  |
Other Assets: |  |  |  |  |  |  |  |  |
Money Market and Mutual Funds –Retirement Plans |  |  | 2,363 |  |  |  |  |  |
Total Assets |  | $ | 3,949 |  |  | $ | 8,184 |  |
Schedule of Inventory, Current [Table Text Block] |
|  | September 30, |  |  | December 31, |
(in thousands) |  | 2020 |  |  | 2019 |
Finished Goods |  | $ | 18,901 |  |  | $ | 31,863 |
Work in Process |  |  | 14,480 |  |  |  | 16,508 |
Raw Material, Fuel and Supplies |  |  | 48,490 |  |  |  | 49,480 |
Total Inventories |  | $ | 81,871 |  |  | $ | 97,851 |
Schedule of Finite-Lived Intangible Assets [Table Text Block] |
September 30, 20 20 (in thousands) |  | Gross Carrying Amount |  |  | Accumulated Amortization |  |  | Net Carrying Amount |  |  | Remaining Amortization Periods (months) |
Amortizable Intangible Assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Customer Relationships |  | $ | 22,491 |  |  | $ | 12,095 |  |  | $ | 10,396 |  |  | 79-179 |
Other |  |  | 26 |  |  |  | 3 |  |  |  | 23 |  |  | 216 |
Total |  | $ | 22,517 |  |  | $ | 12,098 |  |  | $ | 10,419 |  |  |  |
December 31, 20 19 (in thousands) |  | Gross Carrying Amount |  |  | Accumulated Amortization |  |  | Net Carrying Amount |  |  | Remaining Amortization Periods (months) |
Amortizable Intangible Assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Customer Relationships |  | $ | 22,491 |  |  | $ | 11,259 |  |  | $ | 11,232 |  |  | 88-188 |
Other |  |  | 179 |  |  |  | 121 |  |  |  | 58 |  |  | 8-45 |
Total |  | $ | 22,670 |  |  | $ | 11,380 |  |  | $ | 11,290 |  |  |  |
Finite-lived Intangible Assets Amortization Expense [Table Text Block] |
|  | Three Months Ended |  |  | Nine Months Ended |
|  | September 30, |  |  | September 30, |
(in thousands) |  | 2020 |  |  | 2019 |  |  | 2020 |  |  | 2019 |
Amortization Expense – Intangible Assets |  | $ | 284 |  |  | $ | 296 |  |  | $ | 871 |  |  | $ | 888 |
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] |
(in thousands) |  | 2020 |  |  | 2021 |  |  | 2022 |  |  | 2023 |  |  | 2024 |
Estimated Amortization Expense – Intangible Assets |  | $ | 275 |  |  | $ | 1,100 |  |  | $ | 1,100 |  |  | $ | 1,100 |  |  | $ | 1,100 |
Schedule of Cash Flow, Supplemental Disclosures [Table Text Block] |
|  | As of September 30, |
(in thousands) |  | 2020 |  |  | 2019 |
Noncash Investing Activities: |  |  |  |  |  |  |  |
Transactions Related to Capital Additions not Settled in Cash |  | $ | 112,314 |  |  | $ | 15,893 |
Accounts Receivable, Allowance for Credit Loss [Table Text Block] |
|  | Three Months Ended |  |  | Nine Months Ended |
|  | September 30, |  |  | September 30, |
(in thousands) |  | 2020 |  |  | 2019 |  |  | 2020 |  |  | 2019 |
Beginning Balance |  | $ | 2,100 |  |  | $ | 1,691 |  |  | $ | 1,339 |  |  | $ | 1,407 |
Additions Charged to Expense (net of recoveries) |  |  | 474 |  |  |  | 86 |  |  |  | 1,845 |  |  |  | 549 |
Reductions for Amounts Written Off |  |  | (313 | ) |  |  | (225 | ) |  |  | (923 | ) |  |  | (404 | )
Ending Balance |  | $ | 2,261 |  |  | $ | 1,552 |  |  | $ | 2,261 |  |  | $ | 1,552 |

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