XML 28 R81.htm IDEA: XBRL DOCUMENT v2.4.0.8
Schedule II-Valuation and Qualifying Accounts (Details) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Allowance for doubtful accounts [Member]
      
Valuation and Qualifying Accounts Disclosure [Line Items]      
Balance at Beginning of Period   $ 185 $ 277
Charged (Credited) to Costs and Expenses   115  
Deductions     92 [1]
Balance at End of Period 300 300 185
Allowance for discounts [Member]
      
Valuation and Qualifying Accounts Disclosure [Line Items]      
Balance at Beginning of Period 825 807 627
Charged (Credited) to Costs and Expenses 14,515 10,679 6,148
Deductions 13,996 [2] 10,661 [2] 5,968 [2]
Balance at End of Period 1,344 825 807
Excess and obsolete inventory reserve [Member]
      
Valuation and Qualifying Accounts Disclosure [Line Items]      
Balance at Beginning of Period 1,729 1,311 1,545
Charged (Credited) to Costs and Expenses 693 761 (234)
Deductions   343 [3]    [3]
Balance at End of Period $ 2,422 $ 1,729 $ 1,311
[1] Accounts written off
[2] Discounts taken
[3] Inventory written off