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Stockholders Equity and StockBased Compensation (Details 6) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Stockholders Equity and StockBased Compensation
Total Stock-based Compensation Expense	$ 0.2	$ 0.1	$ 0.6	$ 0.3
General and administrative expense	$ 0.2	$ 0.1	$ 0.6	$ 0.3

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