Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
CASH FLOWS FROM OPERATING ACTIVITIES
Net loss	$ (15,524)	$ (2,118)
Adjustments to reconcile net loss to net cash used in operating activities
Depreciation and amortization	179	246
Stock compensation expense	4,346	4,265
Deferred income taxes	1,057	(272)
Right of use assets	434	283
Gain on disposal of intangible assets, net	(93)	(10,785)
Gain on disposal of long-lived assets, net	0	(31)
Changes in operating assets and liabilities
Prepaid expenses and other assets	974	563
Accounts payable and accrued expenses	(1,558)	1,169
Due to related parties	0	(533)
Operating lease liabilities	(531)	(388)
Contingent liability	10,000	0
Deferred revenue	(1,525)	(608)
Other liabilities	(120)	0
Net cash used in operating activities	(2,361)	(8,209)
CASH FLOWS FROM INVESTING ACTIVITIES
Purchases of intangible assets, including refundable deposits, retuning costs and swaps	(5,400)	(5,170)
Purchases of equipment	0	(25)
Net cash used in investing activities	(5,400)	(5,195)
CASH FLOWS FROM FINANCING ACTIVITIES
Proceeds from stock option exercises	1,617	7
Repurchases of common stock	(2,027)	0
Payments of withholding tax on net issuance of restricted stock	(661)	(752)
Net cash used in financing activities	(1,071)	(745)
Net change in cash and cash equivalents and restricted cash	(8,832)	(14,149)
CASH AND CASH EQUIVALENTS AND RESTRICTED CASH
Cash and cash equivalents and restricted cash at beginning of the period	68,124	43,182
Cash and cash equivalents and restricted cash at end of the period	59,292	29,033
Cash paid during the period:
Taxes paid	0	1
Operating leases paid	593	574
Non-cash investing activity:
Network equipment provided in exchange for wireless licenses	47	438
Right of use assets new leases	248	65
Right of use assets modifications and renewals	247	0
Reconciliation of Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents [Abstract]
Cash and cash equivalents	51,715	29,033
Escrow deposits	7,577	0
Total cash and cash equivalents and restricted cash	$ 59,292	$ 29,033