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3. Inventories: Schedule of Inventory (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Details    
Inventory, Finished Goods, Gross $ 5,122us-gaap_InventoryFinishedGoods $ 4,839us-gaap_InventoryFinishedGoods
Inventory, Raw Materials, Gross 2,242us-gaap_InventoryRawMaterials 1,889us-gaap_InventoryRawMaterials
Inventories-Net $ 7,364us-gaap_InventoryNet $ 6,728us-gaap_InventoryNet