Annual report pursuant to Section 13 and 15(d)

Schedule II. Valuation & Qualifying Accounts (Details)

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Schedule II. Valuation & 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 Receivable [Roll Forward]      
Balance at beginning of year $ 203 $ 143 $ 201
Write-offs and other adjustments (67) (20) (45)
Recoveries 0 0 0
Change in provision 47 80 (13)
Balance at end of year $ 183 $ 203 $ 143