Quarterly report pursuant to sections 13 or 15(d)

PREPAID DREDGER DEPOSITS (Details Textual)

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PREPAID DREDGER DEPOSITS (Details Textual) (USD $)
In Millions, unless otherwise specified
Jun. 30, 2013
Dec. 31, 2012
Business Acquistion Expected Cost Of Dredger Deposits $ 42.4 $ 32.6