Goodwill and Intangible Assets - Schedule of Intangible Assets (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Mar. 31, 2015	Mar. 31, 2014
Amortized intangible assets:
Finite-Lived Trade Names, Gross	$ 230	$ 230
Indefinite-Lived Intangible Assets, Accumulated Impairment	(570)	(570)	$ (570)
Indefinite-Lived Intangible Assets (Excluding Goodwill)	8,400	8,400	8,400
Intangible Assets, Gross (Excluding Goodwill)	32,583	32,845
Finite Lived Software Development Costs Accumulated Impairment	1,391		1,391
Gross carrying amount	24,183	24,445
Finite Lived Software Development Costs Accumulated Amortization	2,344		(1,443)
Finite Lived Software Development Costs Net	44,215		31,818
Finite Lived Software Development Costs Gross	46,559		33,261
Accumulated amortization	(24,007)	(23,839)	(23,839)
Net carrying amount	176	606
Total intangible assets, net carrying amount	8,576	9,006	9,006
Indefinite-lived Intangible Assets, Major Class Name [Domain]
Amortized intangible assets:
Net carrying amount		223
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
Non-competition 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
Developed technology [Member]
Amortized intangible assets:
Gross carrying amount, excluding accumulated impairment	10,660	10,660
Accumulated amortization, excluding accumulated impairment	(10,398)	(10,277)
Net carrying amount, excluding accumulated impairment	262	383
Trade Names [Member]
Amortized intangible assets:
Accumulated amortization, excluding accumulated impairment	(54)	(7)
Indefinite-Lived Intangible Assets, Accumulated Impairment	262	0
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
Unclassified Indefinite-lived Intangible Assets [Member]
Amortized intangible assets:
Gross carrying amount	(230)	$ (230)
Software Development Costs [Member]
Unamortized intangible assets:
Finite Lived Software Development Costs Accumulated Amortization Excluding Accumulated Impairment	2,344		(1,443)
Finite Lived Software Development Costs, Net Excluding, Accumulated Impairment	4,015		4,916
Finite Lived Software Development Costs Gross Excluding Accumulated Impairment	6,359		6,359
Project Expenditures Not Yet In Use [Member]
Unamortized intangible assets:
Finite Lived Software Development Costs Accumulated Amortization Excluding Accumulated Impairment	0		0
Finite Lived Software Development Costs, Net Excluding, Accumulated Impairment	41,591		28,293
Finite Lived Software Development Costs Gross Excluding Accumulated Impairment	$ 41,591		$ 28,293