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Inventories (Detail) (USD $) | Dec. 31, 2014 | Dec. 31, 2013
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Schedule of Inventory [Line Items] |  |
Raw Materials | $ 4,410,000 us-gaap_InventoryRawMaterials | $ 5,381,000 us-gaap_InventoryRawMaterials
Packaging | 920,000 us-gaap_RetailRelatedInventory | 757,000 us-gaap_RetailRelatedInventory
Non-food Finished Goods | 1,108,000 med_InventoryNonFoodFinishedGoods | 855,000 med_InventoryNonFoodFinishedGoods
Finished Goods | 9,689,000 us-gaap_InventoryFinishedGoods | 10,809,000 us-gaap_InventoryFinishedGoods
Reserve for Obsolete Inventory | (392,000)us-gaap_InventoryValuationReserves | (265,000)us-gaap_InventoryValuationReserves
Inventory | $ 15,735,000 us-gaap_InventoryNet | $ 17,537,000 us-gaap_InventoryNet

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- Definition Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 6 -Subparagraph a -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.6(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.6(a)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 330 -SubTopic 10 -Section 35 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6386567&loc=d3e3927-108312 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=28358313&loc=d3e6676-107765 + Details
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- Definition Carrying amount as of the balance sheet date of merchandise inventory held by a retailer, wholesaler, or distributor for future sale; includes packaging and other supplies used to store, transport, or present merchandise inventory. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.6(a)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 6 -Subparagraph a -Article 5 + Details
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