Subsequent Events (Details) - Subsequent Event [Member] $ in Thousands	Apr. 01, 2019 USD ($)
Subsequent Events (Textual)
Customer contracts and employees servicing business total value	$ 3,500
INR [Member]
Subsequent Events (Textual)
Customer contracts and employees servicing business total value	$ 243,745

Customer contracts and employees servicing business total value.

No definition available.

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