Note 1 - Significant Accounting Policies and Concentrations of Risk (Details) - Inventory (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Inventory [Abstract]
Supplies		$ 263us-gaap_OtherInventorySupplies
Work in process	267us-gaap_InventoryWorkInProcess
Finished goods	416us-gaap_InventoryFinishedGoods	3,980us-gaap_InventoryFinishedGoods
Reserve for finished goods and supplies		(4,243)us-gaap_InventoryValuationReserves
Net inventories	$ 683us-gaap_InventoryNet

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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.

+ References

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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 of valuation reserve for inventory.

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

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-Publisher SEC

-Name Regulation S-X (SX)

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Amount before valuation and LIFO reserves of other supplies used within the manufacturing or production process expected to be consumed within one year or operating cycle, if longer.

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-Publisher SEC

-Name Regulation S-X (SX)

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-Glossary Inventory

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