XML 64 R34.htm IDEA: XBRL DOCUMENT v2.4.0.8

Summary of Estimated Useful Lives Of Assets (Detail)	12 Months Ended
	Dec. 31, 2013
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Property plant and equipment leasehold improvements useful life	Lease term
Vehicles [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life	5 years
Minimum | Building and Building Improvements [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life	10 years
Minimum | Equipment and Fixtures [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life	3 years
Maximum | Building and Building Improvements [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life	35 years
Maximum | Equipment and Fixtures [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life	15 years

X

- Definition

Property plant and equipment leasehold improvements useful life.

+ References

No definition available.

+ Details

Name:	med_PropertyPlantAndEquipmentLeaseholdImprovementsUsefulLife
Namespace Prefix:	med_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_PropertyPlantAndEquipmentLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

+ References

No definition available.

+ Details

Name:	us-gaap_PropertyPlantAndEquipmentUsefulLife
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration