v3.26.1
Segment Reporting - Reconciliation of Revenue to Net Loss (Details) - USD ($)
$ in Thousands
 12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Segment Reporting Information [Line Items]    
Total spectrum revenue $ 6,501 $ 6,031
Significant segment expenses and other segment items    
Depreciation and amortization 464 548
Gain on exchange of intangible assets, net (105,419) (22,799)
Gain on sale of intangible assets, net (34,780) (18,294)
Interest income (1,633) (2,159)
Other income (143) (75)
Income tax expense 5,071 1,892
Net income (loss) 90,635 (11,372)
Reportable Segment    
Segment Reporting Information [Line Items]    
Total spectrum revenue 6,501 6,031
Significant segment expenses and other segment items    
Adjusted general and administrative 25,721 30,654
Adjusted sales and support 6,472 5,878
Adjusted product development 3,982 5,489
Depreciation and amortization 464 548
Gain on exchange of intangible assets, net (105,419) (22,799)
Gain on sale of intangible assets, net (34,780) (18,294)
Interest income (1,633) (2,159)
Other income (143) (75)
Income tax expense 5,071 1,892
Other segment items 16,131 16,269
Net income (loss) $ 90,635 $ (11,372)