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Inventories (Detail) (USD $)	Mar. 31, 2015	Dec. 31, 2014
Schedule of Inventory [Line Items]
Raw Materials	$ 3,692,000us-gaap_InventoryRawMaterials	$ 4,410,000us-gaap_InventoryRawMaterials
Packaging	1,105,000us-gaap_RetailRelatedInventory	920,000us-gaap_RetailRelatedInventory
Non-food Finished Goods	879,000med_InventoryNonFoodFinishedGoods	1,108,000med_InventoryNonFoodFinishedGoods
Finished Goods	8,817,000us-gaap_InventoryFinishedGoods	9,689,000us-gaap_InventoryFinishedGoods
Reserve for Obsolete Inventory	(307,000)us-gaap_InventoryValuationReserves	(392,000)us-gaap_InventoryValuationReserves
Inventory	$ 14,186,000us-gaap_InventoryNet	$ 15,735,000us-gaap_InventoryNet

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- Definition

Amount before last-in first-out (LIFO) and valuation reserves of (Non-food) merchandise or goods held by the entity that are readily available for sale.

+ References

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Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer.

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Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

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Amount before valuation and LIFO reserves of raw materials expected to be sold, or consumed within one year or operating cycle, if longer.

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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.

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