LONG-TERM DEBT	12 Months Ended
Sep. 30, 2016
Debt Disclosure [Abstract]
LONG-TERM DEBT	LONG-TERM DEBT Canadian revolving credit facility On September 30, 2015, Barnwell’s revolving credit facility at Royal Bank of Canada was amended and reduced by the bank to $1,000,000 Canadian dollars, as a result of the sale of the Company's principal oil and natural gas property, Dunvegan, in September 2015. Barnwell repaid the credit facility in full from the proceeds of the disposition. In April 2016, the revolving credit facility was terminated. Barnwell repaid $7,000,000 of the Canadian revolving credit facility during the year ended September 30, 2015 and realized foreign currency transaction losses of $752,000 as a result of the repayment of U.S. dollar denominated debt using Canadian dollars, which is included in "General and administrative" expenses on the Consolidated Statements of Operations for the year ended September 30, 2015. Canadian revolving demand facility In June 2016, Barnwell entered into a new agreement with Royal Bank of Canada for a revolving demand facility in the amount of $500,000 Canadian dollars, or U.S. $381,000 at the September 30, 2016 exchange rate. Borrowings under this facility were $0 and issued letters of credit were $34,000 at September 30, 2016. The revolving demand facility is available in U.S. dollars at LIBOR plus 1.0%, at Royal Bank of Canada’s U.S. base rate, or in Canadian dollars at Royal Bank of Canada’s prime rate. The obligations under the credit facility are secured by a $500,000 Canadian dollar, or U.S. $381,000 at the September 30, 2016 exchange rate, guaranteed investment certificate pledged to the Royal Bank of Canada, which is classified as "Restricted cash" on the accompanying Consolidated Balance Sheet at September 30, 2016. Real estate loan Barnwell, together with its real estate joint venture, Kaupulehu 2007, had a non-revolving real estate loan with a Hawaii bank. At September 30, 2015, the balance of the real estate loan was $3,440,000. In April 2016, the home collateralizing the loan was sold and in accordance with the terms of the loan agreement a portion of the proceeds from the sale was used to repay the real estate loan in full.

LONG-TERM DEBT

Canadian revolving credit facility

On September 30, 2015, Barnwell’s revolving credit facility at Royal Bank of Canada was amended and reduced by the bank to $1,000,000 Canadian dollars, as a result of the sale of the Company's principal oil and natural gas property, Dunvegan, in September 2015. Barnwell repaid the credit facility in full from the proceeds of the disposition. In April 2016, the revolving credit facility was terminated.

Barnwell repaid $7,000,000 of the Canadian revolving credit facility during the year ended September 30, 2015 and realized foreign currency transaction losses of $752,000 as a result of the repayment of U.S. dollar denominated debt using Canadian dollars, which is included in "General and administrative" expenses on the Consolidated Statements of Operations for the year ended September 30, 2015.

Canadian revolving demand facility

In June 2016, Barnwell entered into a new agreement with Royal Bank of Canada for a revolving demand facility in the amount of $500,000 Canadian dollars, or U.S. $381,000 at the September 30, 2016 exchange rate. Borrowings under this facility were $0 and issued letters of credit were $34,000 at September 30, 2016.

The revolving demand facility is available in U.S. dollars at LIBOR plus 1.0%, at Royal Bank of Canada’s U.S. base rate, or in Canadian dollars at Royal Bank of Canada’s prime rate. The obligations under the credit facility are secured by a $500,000 Canadian dollar, or U.S. $381,000 at the September 30, 2016 exchange rate, guaranteed investment certificate pledged to the Royal Bank of Canada, which is classified as "Restricted cash" on the accompanying Consolidated Balance Sheet at September 30, 2016.

Real estate loan

Barnwell, together with its real estate joint venture, Kaupulehu 2007, had a non-revolving real estate loan with a Hawaii bank. At September 30, 2015, the balance of the real estate loan was $3,440,000. In April 2016, the home collateralizing the loan was sold and in accordance with the terms of the loan agreement a portion of the proceeds from the sale was used to repay the real estate loan in full.