Quarterly report pursuant to Section 13 or 15(d)

Bank Loans (Details Textual)

v3.7.0.1
Bank Loans (Details Textual)
¥ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2017
USD ($)
Jun. 30, 2016
USD ($)
Jun. 30, 2017
USD ($)
Jun. 30, 2016
USD ($)
Jun. 30, 2017
CNY (¥)
Dec. 31, 2016
USD ($)
Bank loans (Textual)            
Weighted average interest rate for long-term bank loans 5.00% 5.30% 5.00% 5.30% 5.00%  
Weighted average interest rate for short-term bank loans 3.50% 4.80% 3.50% 4.80% 3.50%  
Interest expense $ 705,418 $ 699,084 $ 1,413,830 $ 1,334,829    
Interest expense capitalized to construction-in-progress 57,085 $ 303,226 62,421 $ 416,705    
Restricted cash deposit $ 3,262,282   $ 3,262,282     $ 2,911,922
Export-Import Bank of China [Member]            
Bank loans (Textual)            
Annual interest rate 4.75%   4.75%   4.75% 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 4.75%   4.75%   4.75% 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 4.75%   4.75%   4.75% 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      
Long-term debt description     Guaranteed by Huanghai Ship Construction Co., Ltd, Xinrong Zhuo and Ping Lin and collateralized by 2 fishing vessels under construction and collateralized by three related parties' investments in equity interest of two 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      
Long-term debt description    

Guaranteed by Xinrong Zhuo, Honghong Zhuo, Mr. and Mrs. Zhiyan Lin and 6 fishing vessels

     
Fujian Haixia Bank [Member]            
Bank loans (Textual)            
Annual interest rate 6.96%   6.96%   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 One [Member]            
Bank loans (Textual)            
Annual interest rate 1.529%   1.529%   1.529% 1.529%
Debt Instrument, maturity date     Sep. 22, 2017      
Short-term debt description     Collateralized by Pingtan Fishing's 17 fishing vessels      
Fujian Haixia Bank Two [Member]            
Bank loans (Textual)            
Annual interest rate 1.739%   1.739%   1.739% 1.739%
Debt Instrument, maturity date     Oct. 10, 2017      
Short-term debt description     Collateralized by Pingtan Fishing's 17 fishing vessels      
China Development Bank [Member]            
Bank loans (Textual)            
Annual interest rate           3.211%
Debt Instrument, maturity date     Mar. 21, 2017      
Variable annual interest rate description     Variable annual interest rate based on London Interbank Offered Rate ("LIBOR") plus 230 basis points      
Restricted cash deposit $ 600,000   $ 600,000   ¥ 4.0  
China Development Bank One [Member]            
Bank loans (Textual)            
Annual interest rate           3.204%
Debt Instrument, maturity date     Apr. 18, 2017      
Variable annual interest rate description     Variable annual interest rate based on LIBOR plus 230 basis points      
Restricted cash deposit 600,000   $ 600,000   4.0  
China Development Bank Two [Member]            
Bank loans (Textual)            
Annual interest rate           3.257%
Debt Instrument, maturity date     Apr. 18, 2017      
Variable annual interest rate description     Variable annual interest rate based on LIBOR plus 230 basis points      
Restricted cash deposit $ 300,000   $ 300,000   ¥ 2.0  
China Development Bank Three [Member]            
Bank loans (Textual)            
Annual interest rate 3.51%   3.51%   3.51% 3.51%
Debt Instrument, maturity date     Aug. 22, 2017      
Variable annual interest rate description     Variable annual interest rate based on LIBOR plus 230 basis points      
Short-term debt description     Collateralized by a related party's two vessels      
Restricted cash deposit $ 1,000,000   $ 1,000,000   ¥ 6.7  
China Development Bank Four [Member]            
Bank loans (Textual)            
Annual interest rate 3.593%   3.593%   3.593% 3.593%
Debt Instrument, maturity date     Dec. 09, 2017      
Variable annual interest rate description     Variable annual interest rate based on LIBOR plus 230 basis points      
Short-term debt description     Collateralized by a related party's two vessels      
Restricted cash deposit $ 500,000   $ 500,000   ¥ 3.5  
China Development Bank Five [Member]            
Bank loans (Textual)            
Annual interest rate 3.721%   3.721%   3.721%  
Debt Instrument, maturity date     Mar. 08, 2018      
Variable annual interest rate description     Variable annual interest rate based on LIBOR plus 230 basis points      
Short-term debt description     Collateralized by seven vessels      
Restricted cash deposit $ 1,000,000   $ 1,000,000   ¥ 7.0  
China Development Bank Six [Member]            
Bank loans (Textual)            
Annual interest rate 3.721%   3.721%   3.721%  
Debt Instrument, maturity date     Apr. 24, 2018      
Variable annual interest rate description     Annual interest rate based on LIBOR(1) plus 230 basis points.      
Short-term debt description     Collateralized by four vessels      
Restricted cash deposit $ 700,000   $ 700,000   ¥ 4.9