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Accounts receivable and accrued revenues	9 Months Ended
	Sep. 30, 2021
Accounts receivable and accrued revenues [Abstract]
Accounts receivable and accrued revenues	Note 7 – Accounts receivable and accrued revenues Accounts receivable and accrued revenues totaling $17.3 million as of September 30, 2021 consists of mainly accounts receivable with no material amounts overdue.

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The disclosure of accounts receivable and accrued revenues.

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