Note 7 - Property, Plant, and Equipment, Net (Tables)

6 Months Ended

Sep. 30, 2025

Notes Tables

Property, Plant and Equipment [Table Text Block]

	(In thousands)
	September 30, 2025			March 31, 2025
Fiber plant	$	29,835		$	21,375
Equipment		10,669			9,794
Leasehold improvements		592			580
Furniture and fixtures		281			249
Tower Sites and Construction Equipment		36			36
Total, property, plant, and equipment in service		41,413			32,034
Property, plant, and equipment under construction		878			346
Total property, plant, and equipment		42,291			32,380
Less: accumulated depreciation		(2,614	)		(1,435	)
Total property, plant, and equipment, net	$	39,677		$	30,945