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Assets Held for Sale and Discontinued Operations, Assets and Liabilities (Details) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2014
Dec. 31, 2013
Assets Held for Sale and Discontinued Operations [Abstract]    
Cash and cash equivalents $ 1,029 $ 2,980
Trade receivables, less allowance for doubtful accounts 7,832 7,452
Inventories 11,636 11,359
Net property 299 317
Other assets 943 1,326
Total assets 21,739 23,434
Accounts payable 3,287 5,447
Accrued and other liabilities 1,416 930
Total liabilities 4,703 6,377
Net assets $ 17,036 $ 17,057