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Equity - Stock-Based Compensation plans (Details)	9 Months Ended
	Sep. 30, 2024 shares	Sep. 30, 2023 shares
Stock Based Compensation Plans
Stock options granted (in shares)	0	0
Options exercisable (in shares)	0
Options expired	5,000	5,000
Options outstanding (in shares)	0
2015 Plan
Stock Based Compensation Plans
Ratio of shares subject to award granted	1
2021 Plan
Stock Based Compensation Plans
Total shares reserved for issuance of common stock related to the conversion of preferred stock	1,900,000

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