XML 76 R41.htm IDEA: XBRL DOCUMENT v2.4.0.8

Accounts Receivable - Additional Information (Detail) (USD $)	12 Months Ended
	Mar. 30, 2013	Mar. 31, 2012
Accounts Receivables [Line Items]
Customer trade receivables	$ 4,884,000	$ 5,135,000
Non accrual [Member]
Accounts Receivables [Line Items]
Customer trade receivables	300,000	200,000
Payment period of term loan	Revolving lines of credit and/or installment plans under which the payment terms exceed one year
Outstanding amount of receivables	$ 2,900,000	$ 3,700,000

X

- Definition

Accounts Receivable Payment Terms

+ References

No definition available.

+ Details

Name:	bmj_AccountsReceivablePaymentTerms
Namespace Prefix:	bmj_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	bmj_AccountsReceivablesLineItems
Namespace Prefix:	bmj_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Trade Receivables

+ References

No definition available.

+ Details

Name:	bmj_TradeReceivables
Namespace Prefix:	bmj_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Amount borrowed under the credit facility as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

+ Details

Name:	us-gaap_LineOfCreditFacilityAmountOutstanding
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant