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Business Acquisition (Details) (USD $)
Jun. 30, 2012
Apr. 02, 2012
Preliminary allocation of net consideration paid to fair value of assets acquired    
Cash   $ 9,000
John's Pass Marina, Inc. and Rice Family Holdings LLLP [Member]
   
Preliminary allocation of net consideration paid to fair value of assets acquired    
Property, plant and equipment   8,280,000
Other assets   56,000
Deferred tax liability   (60,000)
Fair value of net assets acquired   8,285,000
Gain on bargain purchase 179,000 (119,000)
Cash consideration paid   $ 8,166,000