Intangible Assets and Software Development Costs - Schedule of Intangible Assets (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Mar. 31, 2018
Amortized intangible assets:
Gross carrying amount	$ 24,183	$ 24,183
Accumulated amortization	(24,110)	(24,099)
Net carrying amount	73	84
Finite Lived Software Development Costs [Abstract]
Finite Lived Software Development Costs Gross	67,541	65,553
Finite Lived Software Development Costs Accumulated Amortization	(23,035)	(20,372)
Finite Lived Software Development Costs Net	44,506	45,181
Total intangible assets, gross carrying amount	32,583	32,583
Intangible Assets, Net (Excluding Goodwill)	8,473	8,484
Trade Names [Member]
Unamortized intangible assets:
Carrying amount, excluding accumulated impairment	8,400	8,400
Customer Relationships [Member]
Amortized intangible assets:
Gross carrying amount, excluding accumulated impairment	10,775	10,775
Accumulated amortization, excluding accumulated impairment	(10,775)	(10,775)
Net carrying amount, excluding accumulated impairment	0	0
Developed Technology Rights [Member]
Amortized intangible assets:
Gross carrying amount, excluding accumulated impairment	10,398	10,398
Accumulated amortization, excluding accumulated impairment	(10,398)	(10,398)
Net carrying amount, excluding accumulated impairment	0	0
Noncompete Agreements [Member]
Amortized intangible assets:
Gross carrying amount, excluding accumulated impairment	2,700	2,700
Accumulated amortization, excluding accumulated impairment	(2,700)	(2,700)
Net carrying amount, excluding accumulated impairment	0	0
Trade Names [Member]
Amortized intangible assets:
Gross carrying amount, excluding accumulated impairment	230	230
Accumulated amortization, excluding accumulated impairment	(157)	(146)
Net carrying amount, excluding accumulated impairment	73	84
Patented Technology [Member]
Amortized intangible assets:
Gross carrying amount, excluding accumulated impairment	80	80
Accumulated amortization, excluding accumulated impairment	(80)	(80)
Net carrying amount, excluding accumulated impairment	0	0
Software Development Costs [Member]
Finite Lived Software Development Costs [Abstract]
Finite Lived Software Development Costs Gross Excluding Accumulated Impairment	67,541	53,368
Finite Lived Software Development Costs Accumulated Amortization Excluding Accumulated Impairment	(23,035)	(20,372)
Finite Lived Software Development Costs, Net Excluding, Accumulated Impairment	44,506	32,996
Project Expenditures Not Yet In Use [Member]
Finite Lived Software Development Costs [Abstract]
Finite Lived Software Development Costs Gross Excluding Accumulated Impairment	0	12,185
Finite Lived Software Development Costs Accumulated Amortization Excluding Accumulated Impairment	0	0
Finite Lived Software Development Costs, Net Excluding, Accumulated Impairment	$ 0	$ 12,185