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INCOME TAX (Tables)
12 Months Ended
Mar. 31, 2023
Income Tax Disclosure [Abstract]  
Schedule of Total Income Tax Expense (Benefit) Total income tax expense (benefit) was allocated as follows (dollars in thousands):
Year ended March 31,
202320222021
Continuing operations$5,252 $(1,242)$(30,532)
Discontinued operations(7,070)— — 
$(1,818)$(1,242)$(30,532)
Schedule of Components of Income Tax Expense (Benefit)
Income tax expense (benefit) attributable to loss from continuing operations consists of (dollars in thousands): 
Year ended March 31,
202320222021
Current:
U.S. Federal$6,325 $(1,227)$(28,060)
Non-U.S.1,086 305 17 
State(2,274)1,220 (1,071)
5,137 298 (29,114)
Deferred:
U.S. Federal155 (895)(1,205)
Non-U.S.(83)(608)(44)
State43 (37)(169)
115 (1,540)(1,418)
Total$5,252 $(1,242)$(30,532)
Schedule of Income before Income Tax, Domestic and Foreign Income (loss) before income tax attributable to U.S. and non-U.S. continuing operations consists of (dollars in thousands):
Year ended March 31,
202320222021
U.S.$(122,994)$(37,415)$(122,257)
Non-U.S.4,140 2,340 1,457 
Total$(118,854)$(35,075)$(120,800)
Schedule of Effective Income Tax Rate Reconciliation
Below is a reconciliation of expected income tax benefit, computed by applying the U.S. federal statutory rate of 21.0% to loss before income taxes, to actual income tax expense (benefit) from continuing operations (dollars in thousands): 
Year ended March 31,
202320222021
Computed expected income tax benefit$(24,959)$(7,366)$(25,368)
Increase (reduction) in income taxes resulting from:
State income taxes, net of federal benefit(2,440)691 (979)
Research and other tax credits(4,363)(3,107)(4,635)
Nondeductible expenses669 673 1,104 
Stock-based compensation3,486 5,576 (2,024)
Non-U.S. subsidiaries taxed at other rates491 (364)194 
Adjustment to valuation allowances33,197 2,520 2,230 
Other, net(829)135 (1,054)
$5,252 $(1,242)$(30,532)
Schedule of Deferred Tax Assets and Liabilities
The tax effects of temporary differences that give rise to significant portions of the deferred tax assets and liabilities at March 31, 2023 and 2022 are presented below (dollars in thousands).  
Year ended March 31,
20232022
Deferred tax assets:
Accrued expenses$5,287 $5,682 
Lease liabilities11,613 14,090 
Net operating loss carryforwards22,504 25,737 
Stock-based compensation3,335 8,022 
Nonqualified deferred compensation2,797 3,119 
Property and equipment585 496 
Tax credit carryforwards7,779 7,588 
Capitalized research and development26,357 385 
Other253 1,351 
Total deferred tax assets80,510 66,470 
Less valuation allowance(61,152)(37,399)
Net deferred tax assets19,358 29,071 
Deferred tax liabilities:
Prepaid expenses(2,411)(2,296)
Right-of-use assets(6,011)(13,691)
Intangible assets(829)(4,603)
Deferred commissions(9,153)(7,562)
Total deferred tax liabilities(18,404)(28,152)
Net deferred tax assets$954 $919 
Schedule of Unrecognized Tax Benefits Roll Forward The following table sets forth changes in the total gross unrecognized tax benefits for the fiscal years ended March 31, 2023, 2022 and 2021 (dollars in thousands):
Year ended March 31,
202320222021
Balance at beginning of period$23,817 $25,026 $23,400 
Increases related to prior year tax positions93 411 — 
Decreases related to prior year tax positions(522)— (139)
Increases related to current year tax positions2,229 990 1,765 
Settlements with taxing authorities(166)— — 
Lapse of statute of limitations(3,827)(2,610)— 
Balance at end of period$21,624 $23,817 $25,026