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Supplemental Cash Flow Information (Details) (USD $)
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Supplemental Cash Flow Information      
Interest $ 210,000 $ 58,000 $ 127,000
Income taxes, net of refunds 4,199,000 4,960,000 3,793,000
Consideration to Packaging Alternatives Corporation in the form of a holdback   600,000  
Consideration to Packaging Alternatives Corporation in the form of Long-term note   $ 692,000