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Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.

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Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

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Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled within one year or normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset.

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Fair value as of the balance sheet date of the embedded derivative or group of embedded derivatives classified as an asset.

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Fair value as of the balance sheet date of interest rate derivative liabilities, which includes all such derivative instruments in hedging and nonhedging relationships that are recognized as liabilities.

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Note 8 - Fair Value Measurements, Recorded (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
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 derivatives
Fair Value, Inputs, Level 2 [Member] \| Fair Value, Measurements, Recurring [Member] \| Metals Swap [Member]
Liabilities
Metals swaps	$ 384	$ 487
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)	102	178
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)		386
Fair Value, Inputs, Level 2 [Member] \| Fair Value, Measurements, Recurring [Member]
Assets
Total assets at fair value	384	487
Liabilities
Total liabilities recorded at fair value	600	1,051
Fair Value, Inputs, Level 2 [Member]
Assets
Embedded customer derivatives	$ 384	$ 487
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 derivatives
Fair Value, Measurements, Recurring [Member] \| Fixed Interest Rate Swap [Member] \| A B L Credit Facility [Member]
Liabilities
Interest rate swap (CTI)	$ 114
Metals Swap [Member]
Liabilities
Metals swaps	384	$ 487
Interest Rate Swap [Member] \| Chicago Tube and Iron Company Acquisition [Member]
Liabilities
Interest rate swap (CTI)	102	178
Fixed Interest Rate Swap [Member] \| A B L Credit Facility [Member]
Liabilities
Interest rate swap (CTI)	114	386
Embedded customer derivatives	384	487
Total assets at fair value	384	487
Total liabilities recorded at fair value	$ 600	$ 1,051