Condensed Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Revenue
Total revenue	$ 3,159	$ 2,958	$ 6,193	$ 3,447
Operating expenses
General and administrative	2,208	2,811	4,441	6,602
Depreciation and amortization	864	481	1,472	572
Plant specific operations	362	324	789	398
Plant nonspecific operations	247	227	474	265
Advertising and marketing	89	12	242	12
Total operating expenses	4,122	4,221	8,142	8,281
Loss from operations	(963)	(1,263)	(1,949)	(4,834)
Other income (expense)
Interest income, net	148	395	363	806
Emigration tax expense	0	0	0	(1,711)
Loss on dissenting shareholders' liability	0	(274)	0	(1,103)
Gain on sale of assets	5	30	21	30
Other income expense	21	10	37	10
Total other income (expense), net	174	161	421	(1,968)
Loss before income taxes	(789)	(1,102)	(1,528)	(6,802)
Income tax (expense) benefit	(8)	(103)	(27)	25
Net loss from continuing operations	(797)	(1,205)	(1,555)	(6,777)
Total income from discontinued operations, net of tax	50	801	88	2,860
Net loss	(747)	(404)	(1,467)	(3,917)
Less: Net income attributable to redeemable noncontrolling interest	5	277	33	66
Net loss attributable to common shareholders	$ (752)	$ (681)	$ (1,500)	$ (3,983)
Net loss per share attributable to common shareholders from continuing operations:
Basic (in dollars per share)	$ (0.12)	$ (0.22)	$ (0.24)	$ (1.02)
Diluted (in dollars per share)	(0.12)	(0.22)	(0.24)	(1.02)
Basic (in dollars per share)	0.01	0.12	0.01	0.43
Diluted (in dollars per share)	0.01	0.12	0.01	0.43
Basic (in dollars per share)	(0.11)	(0.1)	(0.22)	(0.59)
Diluted (in dollars per share)	$ (0.11)	$ (0.1)	$ (0.22)	$ (0.59)
Wireless Internet Services [Member]
Revenue
Total revenue	$ 1,666	$ 1,764	$ 3,338	$ 2,083
Fiber Internet Services [Member]
Revenue
Total revenue	1,016	773	1,946	879
Product and Service, Other [Member]
Revenue
Total revenue	477	421	909	485
Operating expenses
Cost of other revenue (exclusive of depreciation shown separately)	177	209	353	245
Wireless and Fiber Internet Service [Member]
Operating expenses
Cost of other revenue (exclusive of depreciation shown separately)	$ 175	$ 157	$ 371	$ 187