The discount rate used in the current estimate of the present value of the future cash flows expected to be derived from an asset or cash-generating unit.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 36
-IssueDate 2019-01-01
-Paragraph 130
-Subparagraph g
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Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table.

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The amount of impairment loss or reversal of impairment loss recognised in profit or loss. [Refer: Impairment loss recognised in profit or loss; Reversal of impairment loss recognised in profit or loss]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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The growth rate used in the current estimate of the present value of the future cash flows expected to be derived from an asset or cash-generating unit.

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The reasonably possible percentage of the increase (decrease) in the key assumption resulting additional impairment.

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Note 5 - Impairment charge (Details) - USD ($) $ in Thousands	1 Months Ended	12 Months Ended
	Mar. 31, 2020	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Disclosure of impairment loss recognised or reversed for cash-generating unit [line items]
Growth rate used in current estimate of value in use		2.00%
Impairment charge	$ 622,000	$ 622,402
Discount rate, measurement input [member]
Disclosure of impairment loss recognised or reversed for cash-generating unit [line items]
Percentage of reasonably possible increase (decrease) in key assumption resulting additional impairment		1.00%
Growth rate, measurement input [member]
Disclosure of impairment loss recognised or reversed for cash-generating unit [line items]
Percentage of reasonably possible increase (decrease) in key assumption resulting additional impairment		(1.00%)
Projected change rate in future cash flows, measurement input [member]
Disclosure of impairment loss recognised or reversed for cash-generating unit [line items]
Percentage of reasonably possible increase (decrease) in key assumption resulting additional impairment		(5.00%)
Tubes [member]
Disclosure of impairment loss recognised or reversed for cash-generating unit [line items]
Impairment charge	582,000
Top of range [member]
Disclosure of impairment loss recognised or reversed for cash-generating unit [line items]
Discount rate used in current estimate of value in use		13.60%
Bottom of range [member]
Disclosure of impairment loss recognised or reversed for cash-generating unit [line items]
Discount rate used in current estimate of value in use		8.00%
OCTG (USA) [member]
Disclosure of impairment loss recognised or reversed for cash-generating unit [line items]
Impairment charge	225,000	$ 225,000
IPSCO [Member]
Disclosure of impairment loss recognised or reversed for cash-generating unit [line items]
Impairment charge	357,000	357,000
Coiled Tubing [member]
Disclosure of impairment loss recognised or reversed for cash-generating unit [line items]
Impairment charge	4,000	4,000
Rods USA [Member]
Disclosure of impairment loss recognised or reversed for cash-generating unit [line items]
Impairment charge	$ 36,000	$ 36,000