XML 21 R22.htm IDEA: XBRL DOCUMENT v2.4.0.8
Inventory (Details) (USD $)
3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Dec. 31, 2013
Inventory Disclosure [Abstract]      
Allowance for inventory obsolescence $ 128,000    
Raw materials 20,583,000   20,524,000
Work in process 5,181,000   6,308,000
Inventory, net 25,764,000   26,832,000
Write-offs of obsolete inventory against allowance $ 0 $ 0