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Financing: Equity (Details) - Common Stock - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
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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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- Details
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