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Commitments and Contingencies - Additional Information (Detail)
 0 Months Ended 12 Months Ended 12 Months Ended 1 Months Ended
Sep. 26, 2013
USD ($)
Nov. 15, 2012
USD ($)
Apr. 16, 2012
USD ($)
Dec. 31, 2013
USD ($)
Dec. 31, 2011
USD ($)
Dec. 31, 2013
GBP (£)
Dec. 09, 2002
May 26, 1998
Dec. 31, 2013
Seattle and Cambridge Projects [Member]
USD ($)
Feb. 28, 2011
Galt Resources [Member]
USD ($)
Gain Contingencies [Line Items]                    
Deferred income from revenue participation rights         $ 7,512,500       $ 887,500  
Income derived from Cambridge RPC's       12,986            
Post Finance cost proceeds             5.00% 5.00%    
Investment for future revenue rights                   7,512,500
Fees and costs   130,000                
Excess of claim     3,000,000              
Attorney fees 1,072,979                  
Marketing, general and administrative expenses       942,979            
Charter agreement expiry date       Apr. 30, 2014            
Charter term agreement period extended       4 years            
Daily charter rate for years one and two       14,000   8,400        
Daily charter rate for years three and four       $ 14,900   £ 8,960