Consolidated Statements of Operations - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2025	Jan. 31, 2024
Revenues:
Sale of marine technology products	$ 46,863	$ 36,510
Cost of sales:
Total cost of sales	25,896	20,539
Gross profit	20,967	15,971
Operating expenses:
Selling, general and administrative	11,291	12,142
Research and development	1,914	2,133
Depreciation and amortization	944	1,178
Total operating expenses	14,149	15,453
Operating income	6,818	518
Other income (expense)	240	(280)
Income from continuing operations before income taxes	7,058	238
Provision for income taxes	(1,984)	(1,338)
Income (loss) from continuing operations	5,074	(1,100)
Income from discontinued operations, net of income taxes	0	1,374
Net income	5,074	274
Gain on Preferred Stock conversion	14,785	0
Preferred stock dividends - declared	0	(946)
Preferred stock dividends - undeclared	(2,256)	(2,842)
Net income (loss) attributable to common stockholders	$ 17,603	$ (3,514)
Net (loss) income per common share - Basic and diluted
Continuing operations (in dollars per share)	$ 4.32	$ (3.48)
Discontinued operations (in dollars per share)	0	0.98
Net income (loss) attributable to common stockholders (in dollars per share)	$ 4.32	$ (2.5)
Basic (in shares)	4,078	1,406
Diluted (in shares)	4,078	1,406
Marine Technology Products [Member]
Cost of sales:
Total cost of sales	$ 25,896	$ 20,539