Inventories (Schedule Of Inventories) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Inventory [Line Items]
Raw materials	$ 5,557us-gaap_InventoryRawMaterials	$ 5,887us-gaap_InventoryRawMaterials
Work-in process	2,266us-gaap_InventoryWorkInProcess	2,020us-gaap_InventoryWorkInProcess
Finished products and components	2,125us-gaap_InventoryFinishedGoods	2,076us-gaap_InventoryFinishedGoods
Total	9,948us-gaap_InventoryNet	9,983us-gaap_InventoryNet
Domestic Inventories [Member]
Inventory [Line Items]
Raw materials	3,783	3,993
Work-in process	1,520	1,300
Finished products and components	1,923	1,838
Total	7,226	7,131
Foreign Inventories [Member]
Inventory [Line Items]
Raw materials	1,774	1,894
Work-in process	746	720
Finished products and components	202	238
Total	$ 2,722	$ 2,852

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.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

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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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