Quarterly report pursuant to Section 13 or 15(d)

Property, Plant and Equipment (Details)

v3.10.0.1
Property, Plant and Equipment (Details) - USD ($)
6 Months Ended
Jun. 30, 2018
Dec. 31, 2017
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Gross $ 185,638,468 $ 165,202,680
Less: accumulated depreciation (31,076,806) (30,160,213)
Property, Plant and Equipment, Net 154,561,662 135,042,467
Fishing vessels [Member]    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Gross $ 155,642,623 164,748,753
Fishing vessels [Member] | Minimum [Member]    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Useful life 10 years  
Fishing vessels [Member] | Maximum [Member]    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Useful life 20 years  
Office and other equipment [Member]    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Gross $ 146,710 453,927
Office and other equipment [Member] | Minimum [Member]    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Useful life 3 years  
Office and other equipment [Member] | Maximum [Member]    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Useful life 5 years  
Construction-in-progress [Member]    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Useful life 0 years  
Property, Plant and Equipment, Gross $ 29,849,135