Bank Loans (Details Textual)
¥ in Millions |
3 Months Ended |
9 Months Ended |
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Sep. 30, 2017
USD ($)
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Sep. 30, 2016
USD ($)
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Sep. 30, 2017
USD ($)
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Sep. 30, 2016
USD ($)
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Sep. 30, 2017
CNY (¥)
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Dec. 31, 2016
USD ($)
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| Bank loans (Textual) |
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| Weighted average interest rate for long-term bank loans |
5.00%
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6.20%
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5.00%
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6.20%
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5.00%
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| Weighted average interest rate for short-term bank loans |
4.30%
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4.40%
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4.30%
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4.40%
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4.30%
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| Interest expense |
$ 427,962
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$ 866,827
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$ 1,841,792
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$ 2,201,656
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| Interest expense capitalized to construction-in-progress |
129,847
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$ 128,279
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192,268
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$ 544,984
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| Restricted cash deposit |
$ 2,320,360
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$ 2,320,360
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$ 2,911,922
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| Export-Import Bank of China [Member] |
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| Bank loans (Textual) |
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| Annual interest rate |
4.75%
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4.75%
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4.75%
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4.90%
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| Debt Instrument, maturity date |
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Dec. 10, 2017
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| Long-term debt description |
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Collateralized by Hong Long's investment in equity interest of a China local bank
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| Export-Import Bank of China One [Member] |
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| Bank loans (Textual) |
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| Annual interest rate |
4.75%
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4.75%
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4.75%
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4.90%
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| Debt Instrument, maturity date |
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Dec. 10, 2017
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| Long-term debt description |
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Collateralized by Fujian International Trading and Transportation Co., Ltd.'s investment in equity interest of a China local bank
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| Export-Import Bank of China Two [Member] |
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| Bank loans (Textual) |
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| Annual interest rate |
4.75%
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4.75%
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4.75%
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4.90%
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| Debt Instrument, maturity date |
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Dec. 10, 2017
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| Long-term debt description |
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Guaranteed by Hong Long
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| Export-Import Bank of China Three [Member] |
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| Bank loans (Textual) |
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| Annual interest rate |
4.90%
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4.90%
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4.90%
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4.90%
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| Debt Instrument, maturity date |
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Jan. 30, 2023
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| Long-term debt description |
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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
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| China Development Bank [Member] |
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| Bank loans (Textual) |
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| Annual interest rate |
5.145%
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5.145%
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5.145%
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5.145%
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| Debt Instrument, maturity date |
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Nov. 27, 2023
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| Long-term debt description |
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Guaranteed by Xinrong Zhuo, Honghong Zhuo, Mr. and Mrs. Zhiyan Lin and 6 fishing vessels
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| Fujian Haixia Bank [Member] |
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| Bank loans (Textual) |
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| Annual interest rate |
6.96%
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6.96%
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6.96%
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6.96%
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| Debt Instrument, maturity date |
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Sep. 14, 2017
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| Short-term debt description |
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Collateralized by Pingtan Fishing's 17 fishing vessels
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| Fujian Haixia Bank One [Member] |
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| Bank loans (Textual) |
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| Annual interest rate |
1.529%
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1.529%
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1.529%
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1.529%
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| Debt Instrument, maturity date |
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Sep. 22, 2017
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| Short-term debt description |
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Collateralized by Pingtan Fishing's 17 fishing vessels
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| Fujian Haixia Bank Two [Member] |
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| Bank loans (Textual) |
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| Annual interest rate |
1.739%
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1.739%
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1.739%
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1.739%
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| Debt Instrument, maturity date |
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Oct. 10, 2017
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| Short-term debt description |
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Collateralized by Pingtan Fishing's 17 fishing vessels
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| Fujian Haixia Bank Three [Member] |
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| Bank loans (Textual) |
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| Annual interest rate |
7.178%
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7.178%
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7.178%
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7.178%
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| Debt Instrument, maturity date |
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Sep. 14, 2018
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| Short-term debt description |
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Collateralized by Pingtan Fishing's 17 fishing vessels
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| Fujian Haixia Bank Four [Member] |
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| Bank loans (Textual) |
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| Annual interest rate |
7.178%
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7.178%
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7.178%
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7.178%
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| Debt Instrument, maturity date |
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Sep. 30, 2018
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| Short-term debt description |
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Collateralized by Pingtan Fishing's 17 fishing vessels
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| China Development Bank [Member] |
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| Bank loans (Textual) |
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| Annual interest rate |
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3.211%
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| Debt Instrument, maturity date |
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Mar. 21, 2017
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| Variable annual interest rate description |
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Variable annual interest rate based on London Interbank Offered Rate ("LIBOR") plus 230 basis points
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| Restricted cash deposit |
$ 600,000
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$ 600,000
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¥ 4.0
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| China Development Bank One [Member] |
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| Bank loans (Textual) |
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| Annual interest rate |
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3.204%
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| Debt Instrument, maturity date |
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Apr. 18, 2017
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| Variable annual interest rate description |
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Variable annual interest rate based on LIBOR plus 230 basis points
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| Restricted cash deposit |
600,000
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$ 600,000
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4.0
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| China Development Bank Two [Member] |
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| Bank loans (Textual) |
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| Annual interest rate |
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3.257%
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| Debt Instrument, maturity date |
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Apr. 18, 2017
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| Variable annual interest rate description |
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Variable annual interest rate based on LIBOR plus 230 basis points
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| Restricted cash deposit |
300,000
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$ 300,000
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2.0
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| China Development Bank Three [Member] |
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| Bank loans (Textual) |
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| Annual interest rate |
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3.51%
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| Debt Instrument, maturity date |
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Aug. 22, 2017
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| Variable annual interest rate description |
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Variable annual interest rate based on LIBOR plus 230 basis points
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| Short-term debt description |
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Collateralized by a related party's two vessels
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| Restricted cash deposit |
$ 1,000,000
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$ 1,000,000
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¥ 6.6
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| China Development Bank Four [Member] |
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| Bank loans (Textual) |
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| Annual interest rate |
3.593%
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3.593%
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3.593%
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3.593%
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| Debt Instrument, maturity date |
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Dec. 09, 2017
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| Variable annual interest rate description |
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Variable annual interest rate based on LIBOR plus 230 basis points
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| Short-term debt description |
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Collateralized by a related party's two vessels
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| Restricted cash deposit |
$ 500,000
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$ 500,000
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¥ 3.3
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| China Development Bank Five [Member] |
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| Bank loans (Textual) |
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| Annual interest rate |
3.721%
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3.721%
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3.721%
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| Debt Instrument, maturity date |
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Mar. 08, 2018
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| Variable annual interest rate description |
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Variable annual interest rate based on LIBOR plus 230 basis points
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| Short-term debt description |
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Collateralized by seven vessels
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| Restricted cash deposit |
$ 1,000,000
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$ 1,000,000
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¥ 7.0
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| China Development Bank Six [Member] |
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| Bank loans (Textual) |
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| Annual interest rate |
3.721%
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3.721%
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3.721%
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| Debt Instrument, maturity date |
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Apr. 24, 2018
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| Variable annual interest rate description |
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Annual interest rate based on LIBOR(1) plus 230 basis points.
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| Short-term debt description |
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Collateralized by four vessels
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| Restricted cash deposit |
$ 700,000
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$ 700,000
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¥ 4.9
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