Simple IRA Plan (Details Textual) (USD $)	12 Months Ended
Dec. 31, 2012	Dec. 31, 2011
Defined Contribution Plan, Number of Employees Covered	100
August 2000 [Member]
Defined Contribution Plan, Employers Matching Contribution, Annual Vesting Percentage	0.06
Defined Contribution Plan, Maximum Annual Contribution By Employee, Amount	$ 11,500
Defined Contribution Plan, Maximum Annual Contribution Per Employee, Percent	3.00%
Defined Contribution Plan, Maximum Annual Contribution Per Employee, Amount	11,500
Defined Contribution Plan, Employer Discretionary Contribution Amount	$ 9,000	$ 6,750

Maximum amount of employee gross pay, by the terms of the plan, that employe may contribute to a defined contribution plan.

No definition available.

Name:	loan_DefinedContributionPlanMaximumAnnualContributionByEmployeeAmount
Namespace Prefix:	loan_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Maximum percentage of employee gross pay, by the terms of the plan, that employe may contribute to a defined contribution plan.

No definition available.

Name:	loan_DefinedContributionPlanMaximumAnnualContributionByEmployeePercent
Namespace Prefix:	loan_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	duration

Amount of discretionary contributions made by an employer to a defined contribution plan.

No definition available.

Name:	us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Maximum amount per employee, by the terms of the plan, that the employer may contribute to a defined contribution plan.

No definition available.

Name:	us-gaap_DefinedContributionPlanMaximumAnnualContributionPerEmployeeAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Maximum percentage of employee gross pay, by the terms of the plan, that the employer may contribute to a defined contribution plan.

No definition available.

Name:	us-gaap_DefinedContributionPlanMaximumAnnualContributionPerEmployeePercent
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Number of employees eligible to participate in the defined contribution plan or plans described.

No definition available.

Name:	us-gaap_DefinedContributionPlanNumberOfEmployeesCovered
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration