Property, Plant and Equipment (Details Textual)	3 Months Ended		6 Months Ended
Property, Plant and Equipment (Details Textual)	Jun. 30, 2019 USD ($) Fishingvessels	Jun. 30, 2018 USD ($)	Jun. 30, 2019 USD ($) Fishingvessels	Jun. 30, 2018 USD ($)	Dec. 31, 2018 USD ($) Fishingvessels
Property, Plant and Equipment (Textual)
Depreciation expense	$ 2,331,141	$ 2,329,605	$ 5,071,259	$ 4,762,731
Cost of revenue and inventories [Member]
Property, Plant and Equipment (Textual)
Depreciation expense	1,582,085	$ 805,767	3,100,042	$ 1,619,573
Collateral bank loan [Member]
Property, Plant and Equipment (Textual)
Net carrying amount of fishing vessels	$ 111,200,000		$ 111,200,000		$ 35,300,000
Number of fishing vessels \| Fishingvessels	39		39		19