Quarterly report pursuant to Section 13 or 15(d)

Inventories (Details)

v2.4.1.9
Inventories (Details) (USD $)
In Thousands, unless otherwise specified
Mar. 28, 2015
Dec. 27, 2014
Summary of inventories    
Raw materials $ 6,068us-gaap_InventoryRawMaterials $ 6,329us-gaap_InventoryRawMaterials
Work in process 4,311us-gaap_InventoryWorkInProcess 3,979us-gaap_InventoryWorkInProcess
Finished goods 3,758us-gaap_InventoryFinishedGoods 4,433us-gaap_InventoryFinishedGoods
Provision for slow moving inventory (656)us-gaap_InventoryValuationReserves (643)us-gaap_InventoryValuationReserves
Total $ 13,481us-gaap_InventoryNet $ 14,098us-gaap_InventoryNet