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Cash and cash equivalents	6 Months Ended
	Jun. 30, 2023
Cash and Cash Equivalents [Abstract]
Cash and cash equivalents	4. Cash and cash equivalents: Of the total cash and cash equivalents at June 30, 2023 and December 31, 2022, $13.1 million and $20.7 million, respectively, was not available for the general corporate purposes of the Company as it was held by non-wholly-owned subsidiaries. At June 30, 2023, the Company does not have any cash equivalents in the form of redeemable short-term investments (December 31, 2022 - $2.3 million)

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- Definition

The entire disclosure for cash and cash equivalent footnotes, which may include the types of deposits and money market instruments, applicable carrying amounts, restricted amounts and compensating balance arrangements. Cash and equivalents include: (1) currency on hand (2) demand deposits with banks or financial institutions (3) other kinds of accounts that have the general characteristics of demand deposits (4) short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Generally, only investments maturing within three months from the date of acquisition qualify.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(1))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(2))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479440/944-210-S99-1

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