Intangible Assets (Details Textual) - USD ($) $ in Thousands	12 Months Ended
Mar. 31, 2019	Mar. 31, 2018	Mar. 31, 2017
Intangible Assets (Textual)
Amortization expense	$ 2,676	$ 2,719	$ 2,764

Represents information of finite lived intangible asset amortization expense.

No definition available.

Name:	mjco_FiniteLivedIntangibleAssetAmortizationExpense
Namespace Prefix:	mjco_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration