Accounts Receivables and Allowance For Doubtful Debts (Detail Textual)	12 Months Ended
Mar. 31, 2019
Accounts Receivables and Allowance For Doubtful Debts (Textual)
Credit period for accounts receivables and allowance for doubtful debts	30-45 days

Represents amount of credit period for accounts receivables and allowance for doubtful debts.

No definition available.

Name:	mjco_CreditPeriodForAccountsReceivablesAndAllowanceForDoubtfulDebts
Namespace Prefix:	mjco_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration