Operating loss carryforwards expiration year.

No definition available.

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- Definition

Tax credit carryforward expiration year.

+ References

No definition available.

+ Details

Name:	med_TaxCreditCarryforwardExpirationYear
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Balance Type:	na
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- Definition

The sum of income tax expense or benefit for the period that has been allocated among continuing operations, discontinued operations, extraordinary items, other comprehensive income, and items charged or credited directly to shareholders' equity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 20
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=18498875&loc=d3e38679-109324

+ Details

Name:	us-gaap_IncomeTaxExpenseBenefitIntraperiodTaxAllocation
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

+ References

+ Details

Name:	us-gaap_OperatingLossCarryforwards
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The amount of the tax credit carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32559-109319

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Carryforwards
-URI http://asc.fasb.org/extlink&oid=6506874

+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_TaxCreditCarryforwardLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
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- Details

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Namespace Prefix:
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Period Type:

Income Taxes - Additional Information (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Tax Credit Carryforward [Line Items]
Operating Loss Carryforwards Expiration Year	2031
Operating Loss Carryforwards	$ 10,900,000
Income Tax Expense (Benefit), Intraperiod Tax Allocation, Total	9,887,000	$ 4,905,000	$ 9,978,000
Tax Credit Carryforward, Amount
Maryland State [Member]
Tax Credit Carryforward [Line Items]
Tax Credit Carryforward, Amount	$ 201,000
Tax Credit Carryforward Expiration Year	2018