Consolidated Statements of Cash Flows - USD ($)	3 Months Ended	6 Months Ended
	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
CASH FLOWS FROM OPERATING ACTIVITIES
Net loss	$ (16,280,000)	$ (23,971,000)	$ (31,410,000)
Adjustments to reconcile net loss to net cash used by operating activities
Depreciation and amortization		535,000	2,398,000
Non-cash compensation expense attributable to stock awards	8,600,000	6,516,000	10,573,000
Deferred income taxes		298,000	156,000
Net loss from disposal of intangible assets	(829,000)		3,849,000
(Gain)/loss on disposal of long-lived assets, net	(5,000)	19,000	(6,000)
Impairment of long-lived assets	0	127,000	29,000
Loss/(income) on equity method investment	12,000		16,000
Changes in operating assets and liabilities
Accounts receivable		4,000	2,000
Prepaid expenses and other assets		701,000	(163,000)
Right of use assets		578,000	841,000
Accounts payable and accrued expenses		(1,572,000)	505,000
Due to related parties		(32,000)	4,000
Restructuring reserve			(547,000)
Operating lease liabilities		(735,000)	(961,000)
Deferred revenue		5,073,000	(369,000)
Other liabilities		(133,000)	342,000
Net cash used by operating activities		(12,592,000)	(14,741,000)
CASH FLOWS FROM INVESTING ACTIVITIES
Purchases of intangible assets, including refundable deposits		(11,866,000)	(7,829,000)
Purchases of equipment		(209,000)	(205,000)
Net cash used by investing activities		(12,075,000)	(8,034,000)
CASH FLOWS FROM FINANCING ACTIVITIES
Proceeds from stock option exercises		9,304,000	1,532,000
Payments of withholding tax on net issuance of restricted stock		(1,308,000)
Net cash provided by financing activities		7,996,000	1,532,000
Net change in cash and cash equivalents		(16,671,000)	(21,243,000)
CASH AND CASH EQUIVALENTS
Beginning of the period		117,538,000	137,453,000
End of the period	$ 116,210,000	100,866,000	116,210,000
Cash paid during the period:
Taxes paid		7,000	33,000
Non-cash investing activity:
Network equipment provided in exchange for wireless licenses		$ 53,000	23,000
Non-cash financing activities:
Equity payment of prior year accrued employee related expenses			$ 1,537,000