Annual report pursuant to Section 13 and 15(d)

Property, Plant and Equipment (Details Textual)

v3.8.0.1
Property, Plant and Equipment (Details Textual)
12 Months Ended
Dec. 31, 2017
USD ($)
Fishingvessels
Dec. 31, 2016
USD ($)
Fishingvessels
Dec. 31, 2015
USD ($)
Property, Plant and Equipment (Textual)      
Depreciation $ 8,965,553 $ 6,613,720 $ 6,353,055
Collateral bank loan [Member]      
Property, Plant and Equipment (Textual)      
Net carrying amount of fishing vessels $ 30,300,000 $ 29,400,000  
Number of fishing vessels | Fishingvessels 36 37  
Cost of revenues and inventories [Member]      
Property, Plant and Equipment (Textual)      
Depreciation $ 3,889,944 $ 6,269,983 $ 6,120,248