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STOCKHOLDERS' EQUITY: - Directors' Stock Award Plan (Details) - shares		6 Months Ended
	Apr. 26, 2018	Jun. 30, 2021
Directors' Stock Award Plan
Share based Compensation Plan
Common shares received on election as director	1,200	1,600
Additional shares issued at each annual general meeting		1,600
Total SCC shares reserved for the plan		600,000
Period of extension of plan		5 years
Increased share awards issued to directors		1,600
New 2021 grant [Member]
Share based Compensation Plan
Numbers of shares shall be granted quarterly and conditioned upon the attendance of each director to each Board meeting		1,600

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- Definition

Numbers of shares shall be granted quarterly and conditioned upon the attendance of each director to each Board meeting.

+ References

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- Definition

Represents the additional number of shares issued to the director at each annual general meeting.

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- Definition

Represents the extension term of plan for issuance of shares to employees and other management personnel.

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- Definition

Represents the increased number of shares issued to the director at each annual general meeting.

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- Definition

Represents the number of shares issued to the director at the time of election.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

Number of shares authorized for issuance under share-based payment arrangement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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