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Inventories (Details) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2013
Dec. 31, 2012
Raw Materials $ 5,371 $ 6,493
Work in process 2,789 2,950
Finished Goods 6,623 6,659
Inventory, gross 14,783 16,102
Less current inventory 10,500 11,319
Inventory Value Before Reserves 4,283 4,783
Less reserve for slow moving and obsolete inventory (1,893) (2,185)
Inventories, Net Non-Current $ 2,390 $ 2,598