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Financing: Equity (Details) - Common Stock - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2021
At The Market Equity Offering Program Shares Issued	300,000	900,000
At The Market Equity Program Proceeds from Sale of Stock	$ 23,000	$ 63,000
At The Market Equity Program Stock Issued Issuance Costs	$ 200	$ 600

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