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Financial Instruments (Tables)

9 Months Ended

Sep. 30, 2017

Investments, All Other Investments [Abstract]

Schedule of Fair Value On Recurring and Non-recurring Basis

The following table presents information about assets that were recorded at fair value on a recurring basis as of September 30, 2017 and December 31, 2016 and indicate the fair value hierarchy:

		September 30, 2017
(thousands of dollars)		Level 1				Level 2				Level 3				Total
Current Assets
Marketable securities and short term investments		$	1,060			$	-			$	-			$	1,060
Total current assets recorded at fair value		$	1,060			$	-			$	-			$	1,060
Non-Current Assets
Restricted cash			3,668				-				-				3,668
Total non-current assets recorded at fair value		$	3,668			$	-			$	-			$	3,668
			December 31, 2016
			Level 1				Level 2				Level 3				Total
Non-Current Assets
Restricted cash		$	3,964			$	-			$	-			$	3,964
Total non-current assets recorded at fair value		$	3,964			$	-			$	-			$	3,964

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- Definition

Tabular disclosure of assets measured at fair value measured on a recurring or nonrecurring basis. Includes, but is not limited to, fair value measurements recorded and the reasons for the measurements, level within the fair value hierarchy in which the fair value measurements are categorized and transfers between levels 1 and 2.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19190-110258

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X

- References

No definition available.

+ Details

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