Annual report pursuant to Section 13 and 15(d)

Related Parties Transactions (Details Textual)

v3.8.0.1
Related Parties Transactions (Details Textual)
1 Months Ended 12 Months Ended
Jul. 01, 2013
USD ($)
Jul. 01, 2013
HKD ($)
Mar. 28, 2017
USD ($)
Jun. 26, 2015
USD ($)
Jul. 31, 2012
USD ($)
Jul. 31, 2012
CNY (¥)
Dec. 31, 2017
USD ($)
Dec. 31, 2017
CNY (¥)
Dec. 31, 2016
USD ($)
Dec. 31, 2015
USD ($)
Related Parties Transactions (Textual)                    
Operating office lease, rent expense             $ 12,441   $ 12,646 $ 13,510
Rental and related administrative service charge             $ 459,392   $ 461,899 $ 462,387
Total consideration       $ 56,200,000            
Cost of vessels       0            
Reduction in additional paid-in capital       $ 56,200,000            
VIE [Member]                    
Related Parties Transactions (Textual)                    
Expenses related to termination of VIE structure | ¥               ¥ 83,000,000    
Percentage of ownership             100.00% 100.00%    
Ping Lin [Member]                    
Related Parties Transactions (Textual)                    
Operating office lease, rent expense         $ 12,400 ¥ 84,000        
Lease expiration date         Jul. 31, 2018 Jul. 31, 2018        
Hai Yi Shipping Limited [Member]                    
Related Parties Transactions (Textual)                    
Lease expiration date Dec. 31, 2017 Dec. 31, 2017                
Service agreement, monthly payments $ 38,000 $ 298,500                
Fuzhou Honglong Ocean Fishery Co., Ltd. [Member]                    
Related Parties Transactions (Textual)                    
Total consideration     $ 38,500,000              
Cost of vessels     9,400,000              
Reduction in additional paid-in capital     $ 29,100,000