Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies (Details)

v3.7.0.1
Summary of Significant Accounting Policies (Details)
6 Months Ended
Jun. 30, 2017
Vehicles [Member]  
Property, Plant and Equipment [Line Items]  
Property, plant and equipment, Estimated useful life 5 years
Minimum [Member] | Fishing vessels [Member]  
Property, Plant and Equipment [Line Items]  
Property, plant and equipment, Estimated useful life 10 years
Minimum [Member] | Office and other equipment [Member]  
Property, Plant and Equipment [Line Items]  
Property, plant and equipment, Estimated useful life 3 years
Maximum [Member] | Fishing vessels [Member]  
Property, Plant and Equipment [Line Items]  
Property, plant and equipment, Estimated useful life 20 years
Maximum [Member] | Office and other equipment [Member]  
Property, Plant and Equipment [Line Items]  
Property, plant and equipment, Estimated useful life 5 years