Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies (Details)

v3.10.0.1
Summary of Significant Accounting Policies (Details)
9 Months Ended
Sep. 30, 2018
Fishing vessels [Member] | Minimum [Member]  
Property, Plant and Equipment [Line Items]  
Property, plant and equipment, Estimated useful life 10 years
Fishing vessels [Member] | Maximum [Member]  
Property, Plant and Equipment [Line Items]  
Property, plant and equipment, Estimated useful life 20 years
Office and other equipment [Member] | Minimum [Member]  
Property, Plant and Equipment [Line Items]  
Property, plant and equipment, Estimated useful life 3 years
Office and other equipment [Member] | Maximum [Member]  
Property, Plant and Equipment [Line Items]  
Property, plant and equipment, Estimated useful life 5 years