XML 38 R25.htm IDEA: XBRL DOCUMENT
v3.6.0.2

Financial Instruments (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2016
Financial Instruments [Abstract] |
Cash and Available for Sale Securities Adjusted Cost, Gross Unrealized Gains, Gross Unrealized Losses, and Fair Value by Significant Investment Category | The following table represents cash and the available-for-sale securities adjusted cost, gross unrealized gains, gross unrealized losses and fair value by significant investment category recorded as cash and cash equivalents or investment securities as of: ﻿ ﻿ ﻿
﻿ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
﻿ |  |  | December 31, 2016
﻿ |  |  | Cost |  |  | Unrealized Gains |  |  | Unrealized Losses |  |  | Accrued Interest |  |  | Estimated Fair Value |  |  | Cash & Cash Equivalents |  |  | Investment Securities
﻿ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
﻿Cash |  | $ | 52,005 |  | $ | - |  | $ | - |  | $ | - |  | $ | 52,005 |  | $ | 52,005 |  | $ | -
﻿ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
﻿Level 1: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
﻿Money market accounts |  |  | 431 |  |  | - |  |  | - |  |  | - |  |  | 431 |  |  | 431 |  |  | -
﻿Government & agency securities |  |  | 2,655 |  |  | - |  |  | (48) |  |  | 9 |  |  | 2,616 |  |  | - |  |  | 2,616
﻿ |  |  | 3,086 |  |  | - |  |  | (48) |  |  | 9 |  |  | 3,047 |  |  | 431 |  |  | 2,616
﻿ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
﻿Level 2: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
﻿Municipal bonds |  |  | 21,836 |  |  | - |  |  | (348) |  |  | 308 |  |  | 21,796 |  |  | - |  |  | 21,796
﻿ |  |  | 21,836 |  |  | - |  |  | (348) |  |  | 308 |  |  | 21,796 |  |  | - |  |  | 21,796
﻿ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
﻿Total |  | $ | 76,927 |  | $ | - |  | $ | (396) |  | $ | 317 |  | $ | 76,848 |  | $ | 52,436 |  | $ | 24,412
﻿ ﻿ ﻿ ﻿
﻿ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
﻿ |  |  | December 31, 2015
﻿ |  |  | Cost |  |  | Unrealized Gains |  |  | Unrealized Losses |  |  | Accrued Interest |  |  | Estimated Fair Value |  |  | Cash & Cash Equivalents |  |  | Investment Securities
﻿ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
﻿Cash |  | $ | 38,276 |  | $ | - |  | $ | - |  | $ | - |  | $ | 38,276 |  | $ | 38,276 |  | $ | -
﻿ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
﻿Level 1: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
﻿Money market accounts |  |  | 3,761 |  |  | - |  |  | - |  |  | - |  |  | 3,761 |  |  | 3,761 |  |  | -
﻿Mutual funds |  |  | 9,654 |  |  | 37 |  |  | (444) |  |  | - |  |  | 9,247 |  |  | - |  |  | 9,247
﻿Corporate equity securities |  |  | 1,332 |  |  | 246 |  |  | (76) |  |  | - |  |  | 1,502 |  |  | - |  |  | 1,502
﻿Government & agency securities |  |  | 5,425 |  |  | 25 |  |  | (19) |  |  | 17 |  |  | 5,448 |  |  | - |  |  | 5,448
﻿ |  |  | 20,172 |  |  | 308 |  |  | (539) |  |  | 17 |  |  | 19,958 |  |  | 3,761 |  |  | 16,197
﻿ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
﻿Level 2: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
﻿Municipal bonds |  |  | 2,735 |  |  | 42 |  |  | (3) |  |  | 20 |  |  | 2,794 |  |  | - |  |  | 2,794
﻿Corporate bonds |  |  | 6,054 |  |  | 22 |  |  | (41) |  |  | 46 |  |  | 6,081 |  |  | - |  |  | 6,081
﻿ |  |  | 8,789 |  |  | 64 |  |  | (44) |  |  | 66 |  |  | 8,875 |  |  | - |  |  | 8,875
﻿ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
﻿Total |  | $ | 67,237 |  | $ | 372 |  | $ | (583) |  | $ | 83 |  | $ | 67,109 |  | $ | 42,037 |  | $ | 25,072
﻿

X
- Definition Tabular disclosure of cash and the available-for-sale securities adjusted cost, gross unrealized gains, gross unrealized losses and fair value by significant investment category recorded as cash and cash equivalents or investment securities. + References No definition available. + Details
Name: | med_CashAndInvestmentSecuritiesAvailableForSaleTableTextBlock
Namespace Prefix: | med_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_InvestmentsAllOtherInvestmentsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration