Note 7 - Inventories at Lower of FIFO Cost or Market (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Jun. 30, 2014
Raw materials	$ 2,751us-gaap_InventoryRawMaterials	$ 3,116us-gaap_InventoryRawMaterials
Finished goods	3,198us-gaap_InventoryFinishedGoods	3,347us-gaap_InventoryFinishedGoods
Subtotal	5,949us-gaap_InventoryGross	6,463us-gaap_InventoryGross
Less: Inventory reserve	3,017us-gaap_InventoryValuationReserves	3,286us-gaap_InventoryValuationReserves
Net inventory balance	$ 2,932us-gaap_InventoryNet	$ 3,177us-gaap_InventoryNet

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

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

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Gross amount, as of the balance sheet date, of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process.

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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

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Amount of valuation reserve for inventory.

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