INCOME TAXES: - Reconciliation of deferred tax assets/liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Mar. 31, 2018
Deferred tax assets:
Accrued expenses	$ 3,332	$ 5,737
Deferred revenue	19	437
Net operating loss carryforwards	13,638	40,783
Stock-based compensation	10,770	10,884
Nonqualified deferred compensation	3,147	3,217
Capital loss carryforward	0	2,099
Tax credit carryforwards	0	13,427
Other	3,102	185
Total deferred tax assets	34,008	76,769
Less valuation allowance	(18,947)	(38,321)
Net deferred tax assets	15,061	38,448
Deferred tax liabilities:
Prepaid expenses	(1,222)	(4,111)
Capitalized software costs	(636)	(7,343)
Property and equipment	(440)	(6,304)
Intangible assets	(5,631)	(42,402)
Deferred commissions	(2,586)	0
Accrued expenses	(4,550)	(7,828)
Total deferred tax liabilities	(15,065)	(67,988)
Net deferred tax liabilities	$ (4)	$ (29,540)

The sum of (1) tax effects as of the balance sheet date of the amount of excesses of tax deductions over gross income in a year which cannot be used on the tax returns in the current year but can be carried forward to reduce taxable income or income taxes payable in a future year, for which there must be sufficient tax-basis income to utilize a portion or all of the carryforward amount to realize the deferred tax asset and (2) tax effect as of the balance sheet date of the amount of future tax deductions arising from all unused tax credit carry forwards, reduced by a valuation allowance.

No definition available.