Annual report pursuant to Section 13 and 15(d)

Bank Loans (Details Textual)

v3.8.0.1
Bank Loans (Details Textual)
¥ in Millions
12 Months Ended
Dec. 31, 2017
USD ($)
Dec. 31, 2016
USD ($)
Dec. 31, 2015
USD ($)
Dec. 31, 2017
CNY (¥)
Dec. 31, 2016
CNY (¥)
Bank Loans (Textual)          
Weighted average interest rate for short-term bank loans 4.40% 4.20% 3.20% 4.40% 4.20%
Weighted average interest rate for long-term bank loans 5.00% 6.70% 5.70% 5.00% 6.70%
Interest expense $ 2,606,822 $ 3,011,359 $ 3,630,200    
Interest costs capitalized 203,609 1,039,092 $ 0    
Restricted cash deposit $ 1,821,187 $ 2,911,922      
Export-Import Bank of China [Member]          
Bank Loans (Textual)          
Annual interest rate   4.90%     4.90%
Debt instrument, maturity date   Dec. 10, 2017      
Long-term debt description   Collateralized by Hong Long's investment in equity interest of a China local bank      
Export-Import Bank of China One [Member]          
Bank Loans (Textual)          
Annual interest rate   4.90%     4.90%
Debt instrument, maturity date   Dec. 10, 2017      
Long-term debt description   Collateralized by Fujian International Trading and Transportation Co., Ltd.'s investment in equity interest of a China local bank      
Export-Import Bank of China Two [Member]          
Bank Loans (Textual)          
Annual interest rate   4.90%     4.90%
Debt instrument, maturity date   Dec. 10, 2017      
Long-term debt description   Guaranteed by Hong Long      
Export-Import Bank of China Three [Member]          
Bank Loans (Textual)          
Annual interest rate 4.90% 4.90%   4.90% 4.90%
Debt instrument, maturity date Jan. 30, 2023 Jan. 30, 2023      
Long-term debt description Guaranteed by Xinrong Zhuo and Ping Lin and collateralized by 2 fishing vessels and collateralized by two related parties' investments in equity interest of one PRC local banks. Guaranteed by Xinrong Zhuo and Ping Lin and collateralized by 2 fishing vessels and collateralized by two related parties' investments in equity interest of one PRC local banks.      
China Development Bank [Member]          
Bank Loans (Textual)          
Annual interest rate 5.145% 5.145%   5.145% 5.145%
Debt instrument, maturity date Nov. 27, 2023 Nov. 27, 2023      
Long-term debt description Guaranteed by Xinrong Zhuo, Honghong Zhuo, Mr. and Mrs. Zhiyan Lin and 6 fishing vessels Guaranteed by Xinrong Zhuo, Honghong Zhuo, Mr. and Mrs. Zhiyan Lin and 6 fishing vessels      
Fujian Haixia Bank [Member] | Due on September 14, 2017 [Member]          
Bank Loans (Textual)          
Annual interest rate   6.96%     6.96%
Debt instrument, maturity date   Sep. 14, 2017      
Short-term debt description   Collateralized by Pingtan Fishing's 17 fishing vessels      
Fujian Haixia Bank [Member] | Due on September 14, 2018 [Member]          
Bank Loans (Textual)          
Annual interest rate 7.178%     7.178%  
Debt instrument, maturity date Sep. 14, 2018        
Short-term debt description Collateralized by Pingtan Fishing's 17 fishing vessels        
Fujian Haixia Bank [Member] | Due on September 30, 2018 [Member]          
Bank Loans (Textual)          
Annual interest rate 7.178% 7.178%   7.178% 7.178%
Debt instrument, maturity date Sep. 30, 2018 Sep. 30, 2018      
Short-term debt description Collateralized by Pingtan Fishing's 17 fishing vessels Collateralized by Pingtan Fishing's 17 fishing vessels      
Fujian Haixia Bank [Member] | Due on September 22, 2017 [Member]          
Bank Loans (Textual)          
Annual interest rate 1.529% 1.529%   1.529% 1.529%
Debt instrument, maturity date Sep. 22, 2017 Sep. 22, 2017      
Short-term debt description Collateralized by Pingtan Fishing's 17 fishing vessels Collateralized by Pingtan Fishing's 17 fishing vessels      
Fujian Haixia Bank [Member] | Due on October 10, 2017 [Member]          
Bank Loans (Textual)          
Annual interest rate 1.739% 1.739%   1.739% 1.739%
Debt instrument, maturity date Oct. 10, 2017 Oct. 10, 2017      
Short-term debt description Collateralized by Pingtan Fishing's 17 fishing vessels Collateralized by Pingtan Fishing's 17 fishing vessels      
Fujian Haixia Bank [Member] | Due on September 11, 2018 [Member]          
Bank Loans (Textual)          
Annual interest rate 2.99%     2.99%  
Debt instrument, maturity date Sep. 11, 2018        
Short-term debt description Collateralized by Pingtan Fishing's 17 fishing vessels        
China Development Bank [Member] | Due on March 21, 2017 [Member]          
Bank Loans (Textual)          
Annual interest rate 3.211% 3.211%   3.211% 3.211%
Debt instrument, maturity date   Mar. 21, 2017      
Short-term debt description   Variable annual interest rate based on London Interbank Offered Rate ("LIBOR")(1) plus 230 basis points      
Restricted cash deposit   $ 600,000     ¥ 4.0
China Development Bank [Member] | Due on April 18, 2017 [Member]          
Bank Loans (Textual)          
Annual interest rate 3.204% 3.204%   3.204% 3.204%
Debt instrument, maturity date   Apr. 18, 2017      
Short-term debt description   Variable annual interest rate based on LIBOR(1) plus 230 basis points      
Restricted cash deposit   $ 600,000     ¥ 4.0
China Development Bank [Member] | Due on April 18, 2017 One [Member]          
Bank Loans (Textual)          
Annual interest rate 3.257% 3.257%   3.257% 3.257%
Debt instrument, maturity date   Apr. 18, 2017      
Short-term debt description   Variable annual interest rate based on LIBOR(1) plus 230 basis points      
Restricted cash deposit   $ 300,000     ¥ 2.0
China Development Bank [Member] | Due on August 22, 2017 [Member]          
Bank Loans (Textual)          
Annual interest rate 3.51% 3.51%   3.51% 3.51%
Debt instrument, maturity date   Aug. 22, 2017      
Short-term debt description   Variable annual interest rate based on LIBOR(1) plus 230 basis points      
Restricted cash deposit   $ 1,000,000     ¥ 6.6
China Development Bank [Member] | Due on December 9, 2017 [Member]          
Bank Loans (Textual)          
Annual interest rate 3.593% 3.593%   3.593% 3.593%
Debt instrument, maturity date   Dec. 09, 2017      
Short-term debt description   Variable annual interest rate based on LIBOR(1) plus 230 basis points      
Restricted cash deposit   $ 500,000     ¥ 3.3
China Development Bank [Member] | Due on March 8, 2018 [Member]          
Bank Loans (Textual)          
Annual interest rate 3.721%     3.721%  
Debt instrument, maturity date Mar. 08, 2018        
Short-term debt description Variable annual interest rate based on LIBOR(1) plus 230 basis points        
Restricted cash deposit $ 1,000,000     ¥ 6.6  
China Development Bank [Member] | Due on April 24, 2018 [Member]          
Bank Loans (Textual)          
Annual interest rate 3.721%     3.721%  
Debt instrument, maturity date Apr. 24, 2018        
Short-term debt description Variable annual interest rate based on LIBOR(1) plus 230 basis points        
Restricted cash deposit $ 700,000     ¥ 4.6