Note 13 - Stockholders' Equity (Tables)

3 Months Ended

Jun. 30, 2026

Notes Tables

Schedule of Stockholders Equity [Table Text Block]

			Additional
	Common		Paid-In			Treasury			Retained
	Stock		Capital			Stock			Earnings			Total
BALANCE AT MARCH 31, 2026	$	9,020	$	35,934		$	(13,110	)	$	119,650		$	151,494
Net earnings		—		—			—			12,784			12,784
Paid in capital – restricted stock		—		244			—			—			244
Issuance of restricted stock		105		(105	)		—			—			—
Repurchase of shares		—		—			(82	)		—			(82	)
Cash dividends ($0.04 per share)		—		—			—			(289	)		(289	)
BALANCE AT JUNE 30, 2026	$	9,125	$	36,073		$	(13,192	)	$	132,145		$	164,151

			Additional
	Common		Paid-In			Treasury			Retained
	Stock		Capital			Stock			Earnings			Total
BALANCE AT MARCH 31, 2025	$	8,877	$	35,394		$	(13,100	)	$	101,254		$	132,425
Net earnings		—		—			—			5,028			5,028
Paid in capital – restricted stock		—		123			—			—			123
Issuance of restricted stock		90		(90	)		—			—			—
Repurchase of shares		—		—			(10	)		—			(10	)
Cash dividends ($0.04 per share)		—		—			—			(286	)		(286	)
BALANCE AT JUNE 30, 2025	$	8,967	$	35,427		$	(13,110	)	$	105,996		$	137,280