Intangible Assets and Software Development Costs - Schedule of Intangible Assets (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Mar. 31, 2020
Schedule Of Finite Lived And Indefinite Lived Intangible Assets [Line Items]
Gross carrying amount, excluding accumulated impairment	$ 0	$ 0
Accumulated amortization, excluding accumulated impairment	0	0
Accumulated impairment	0	0
Net carrying amount, excluding accumulated impairment	0	0
Gross carrying amount	24,183	24,183
Accumulated amortization	(24,183)	(24,183)
Impairment	0	0
Net carrying amount	0	0
Total intangible assets, gross carrying amount	32,583	32,583
Total intangible assets, accumulated amortization	(24,183)	(24,183)
Total intangible assets, impairment	0	0
Intangible assets, net	8,400	8,400
Finite lived software development costs gross	67,541	67,541
Finite lived software development costs accumulated amortization	(45,535)	(45,535)
Finite lived software development costs accumulated impairment	(22,006)	(22,006)
Finite lived software development costs net	0	0
Trade Names
Schedule Of Finite Lived And Indefinite Lived Intangible Assets [Line Items]
Gross carrying amount, excluding accumulated impairment	230	230
Accumulated amortization, excluding accumulated impairment	(230)	(230)
Accumulated impairment	0	0
Net carrying amount, excluding accumulated impairment	0	0
Gross carrying amount, excluding accumulated impairment	8,400	8,400
Accumulated amortization, excluding accumulated impairment	0	0
Accumulated impairment excluding goodwill	0	0
Carrying amount, excluding accumulated impairment	8,400	8,400
Customer Relationships
Schedule Of Finite Lived And Indefinite Lived Intangible Assets [Line Items]
Gross carrying amount, excluding accumulated impairment	10,775	10,775
Accumulated amortization, excluding accumulated impairment	(10,775)	(10,775)
Accumulated impairment	0	0
Net carrying amount, excluding accumulated impairment	0	0
Noncompete Agreements
Schedule Of Finite Lived And Indefinite Lived Intangible Assets [Line Items]
Gross carrying amount, excluding accumulated impairment	2,700	2,700
Accumulated amortization, excluding accumulated impairment	(2,700)	(2,700)
Accumulated impairment	0	0
Net carrying amount, excluding accumulated impairment	0	0
Developed Technology Rights
Schedule Of Finite Lived And Indefinite Lived Intangible Assets [Line Items]
Gross carrying amount, excluding accumulated impairment	10,398	10,398
Accumulated amortization, excluding accumulated impairment	(10,398)	(10,398)
Accumulated impairment	0	0
Net carrying amount, excluding accumulated impairment	0	0
Patented Technology
Schedule Of Finite Lived And Indefinite Lived Intangible Assets [Line Items]
Gross carrying amount, excluding accumulated impairment	80	80
Accumulated amortization, excluding accumulated impairment	(80)	(80)
Accumulated impairment	0	0
Net carrying amount, excluding accumulated impairment	$ 0	$ 0