Earnings Per Common Share (Tables)

12 Months Ended

Dec. 31, 2024

Earnings Per Common Share [Abstract]

Calculation of Basic and Diluted Earnings per Share

The components of the calculation of basic and diluted earnings per common share are as follows:

	Year ended December 31,		Year ended December 31,			Year ended December 31,
	2022		2023			2024
Net income from continuing operations, net of taxes		66,540,925		21,303,156			15,304,934
Net income from discontinued operations, net of taxes		52,019,765		17,339,332			—
Less: Net income attributable to non-controlling interest in subsidiaries		—		—			(685,938	)
Net income attributable to Castor Maritime Inc.	$	118,560,690	$	38,642,488		$	14,618,996
Less: Dividend on Series D Preferred Shares		—		(1,020,833	)		(2,645,833	)
Less: Deemed dividend on Series D Preferred Shares		—		(196,296	)		(606,444	)
Less: Deemed dividend on warrants repurchased		—		(444,885	)		—
Add: Deemed contribution from Series D preferred shareholders		—		—			22,437,675
Net income available to common shareholders, basic		118,560,690		36,980,474			33,804,394
Dividend on Series D Preferred Shares		—		1,020,833			2,645,833
Deemed dividend on Series D Preferred Shares		—		196,296			606,444
Deemed contribution from Series D preferred shareholders		—		—			(22,437,675	)
Net income attributable to common shareholders, diluted		118,560,690		38,197,603			14,618,996
Weighted average number of common shares outstanding, basic		9,460,976		9,571,045			9,662,354
Effect of dilutive shares		—		12,382,788			29,082,896
Weighted average number of common shares outstanding, diluted		9,460,976		21,953,833			38,745,250
Earnings per common share, basic, continuing operations	$	7.03	$	2.05		$	3.50
Earnings per common share, diluted, continuing operations	$	7.03	$	0.95		$	0.38
Earnings per common share, basic, discontinued operations	$	5.50	$	1.81		$	—
Earnings per common share, diluted, discontinued operations	$	5.50	$	0.79		$	—
Earnings per common share, basic, Total	$	12.53	$	3.86		$	3.50
Earnings per common share, diluted, Total	$	12.53	$	1.74		$	0.38