Intangible Assets and Software Development Costs (Details Textual) - USD ($) $ in Thousands	12 Months Ended
Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2018
Finite Lived Intangible Assets [Line Items]
Non-cash impairment charge	$ 22,000
Amortization of developed technology	12,561	$ 12,602	$ 10,016
Amortization of intangibles	2,541	2,567	1,879
Capitalized software development costs		2,000	8,200
Developed Technology Internal [Member]
Finite Lived Intangible Assets [Line Items]
Amortization of intangibles	$ 38,000	$ 46,000	$ 46,000

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
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