Note 6 - Fair Value Measurements, Recorded (Details) - USD ($) $ in Thousands | Mar. 31, 2016 | Dec. 31, 2015 |
Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Recurring [Member] | Metals Swap [Member] | | |
Liabilities | | |
Metals swaps | | |
Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Recurring [Member] | Interest Rate Swap [Member] | Chicago Tube and Iron Company Acquisition [Member] | | |
Liabilities | | |
Interest rate swap (CTI) | | |
Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Recurring [Member] | Fixed Interest Rate Swap [Member] | A B L Credit Facility [Member] | | |
Liabilities | | |
Interest rate swap (CTI) | | |
Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Recurring [Member] | | |
Assets | | |
Total assets at fair value | | |
Liabilities | | |
Total liabilities recorded at fair value | | |
Fair Value, Inputs, Level 1 [Member] | | |
Assets | | |
Embedded customer derivative | | |
Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Metals Swap [Member] | | |
Liabilities | | |
Metals swaps | $ 204 | $ 384 |
Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Interest Rate Swap [Member] | Chicago Tube and Iron Company Acquisition [Member] | | |
Liabilities | | |
Interest rate swap (CTI) | 82 | 102 |
Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Fixed Interest Rate Swap [Member] | A B L Credit Facility [Member] | | |
Liabilities | | |
Interest rate swap (CTI) | | 114 |
Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | | |
Assets | | |
Total assets at fair value | 204 | 384 |
Liabilities | | |
Total liabilities recorded at fair value | 323 | 600 |
Fair Value, Inputs, Level 2 [Member] | | |
Assets | | |
Embedded customer derivative | $ 204 | $ 384 |
Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Recurring [Member] | Metals Swap [Member] | | |
Liabilities | | |
Metals swaps | | |
Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Recurring [Member] | Interest Rate Swap [Member] | Chicago Tube and Iron Company Acquisition [Member] | | |
Liabilities | | |
Interest rate swap (CTI) | | |
Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Recurring [Member] | Fixed Interest Rate Swap [Member] | A B L Credit Facility [Member] | | |
Liabilities | | |
Interest rate swap (CTI) | | |
Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Recurring [Member] | | |
Assets | | |
Total assets at fair value | | |
Liabilities | | |
Total liabilities recorded at fair value | | |
Fair Value, Inputs, Level 3 [Member] | | |
Assets | | |
Embedded customer derivative | | |
Fair Value, Measurements, Recurring [Member] | Fixed Interest Rate Swap [Member] | A B L Credit Facility [Member] | | |
Liabilities | | |
Interest rate swap (CTI) | $ 37 | |
Metals Swap [Member] | | |
Liabilities | | |
Metals swaps | 204 | $ 384 |
Interest Rate Swap [Member] | Chicago Tube and Iron Company Acquisition [Member] | | |
Liabilities | | |
Interest rate swap (CTI) | 82 | 102 |
Fixed Interest Rate Swap [Member] | A B L Credit Facility [Member] | | |
Liabilities | | |
Interest rate swap (CTI) | 37 | 114 |
Embedded customer derivative | 204 | 384 |
Total assets at fair value | 204 | 384 |
Total liabilities recorded at fair value | $ 323 | $ 600 |