CHAPTER 11 FILING, LIQUIDITY AND GOING CONCERN (Details)					1 Months Ended	2 Months Ended
	Jun. 28, 2020 USD ($)	Jun. 17, 2020 USD ($)	Jun. 09, 2020 USD ($)	Oct. 10, 2018 USD ($)	Apr. 30, 2020 well	Jun. 30, 2020 well	Jul. 02, 2020 USD ($) counterparty	Jun. 29, 2020 USD ($)	Jun. 05, 2020 USD ($)	Mar. 31, 2020 USD ($)	Jan. 17, 2020 USD ($)	Dec. 31, 2019 USD ($)
Line of Credit Facility [Line Items]
Long-term debt										$ 97,750,000		$ 115,000,000
Subsequent Event
Line of Credit Facility [Line Items]
Commencement period, bid process for sale of assets	135 days
Amount of prepetition obligations to be settled in cash	$ 9,200,000
Accrued and unpaid interest	700,000
Amount of participations in new loans	$ 55,000,000
Percentage of new common stock to be received	100.00%
Plan of reorganization, equity securities issued or to be issued, value	$ 55,000,000
Proceeds from liquidation of swap positions			$ 9,300,000
Number of remaining counterparties, notices received | counterparty							4
COVID-19 | Subsequent Event
Line of Credit Facility [Line Items]
Number of wells shut-in | well					12	19
Term Loan | Subsequent Event | Replacement DIP Facility
Line of Credit Facility [Line Items]
Amount arranged	20,000,000
Term Loan | Subsequent Event | Initial DIP Credit Agreement | Initial DIP Facility
Line of Credit Facility [Line Items]
Amount arranged	15,000,000.0
Interim Basis Term Loan | Subsequent Event | Initial DIP Credit Agreement | Initial DIP Facility
Line of Credit Facility [Line Items]
Remaining amount arranged							$ 10,000,000.0
Amount arranged	5,000,000.0							$ 5,000,000.0
Roll-up Loans | Subsequent Event | Initial DIP Credit Agreement | Initial DIP Facility
Line of Credit Facility [Line Items]
Amount arranged, to be incurred upon final order	13,500,000
Amount arranged	15,000,000.0
Line of Credit | Revolving Credit Agreement | Revolving Credit Agreement, due October 2023
Line of Credit Facility [Line Items]
Long-term debt										97,750,000
Line of credit facility, borrowing base				$ 115,000,000.0						90,000,000.0	$ 90,000,000
Borrowing base deficiency										$ 7,800,000	$ 25,000,000
Ratio of total debt to EBITDAX (not more than)				400.00%
Ratio of current assets to current liabilities (not less than)				100.00%
Line of Credit | Subsequent Event | Revolving Credit Agreement | Revolving Credit Agreement, due October 2023
Line of Credit Facility [Line Items]
Long-term debt								89,900,000
Borrowing base deficiency									$ 7,800,000
Proceeds from lines of credit		$ 1,500,000
Line of Credit | Subsequent Event | Initial DIP Credit Agreement | Initial DIP Facility
Line of Credit Facility [Line Items]
Amount arranged	1,500,000.0
Line of Credit | Subsequent Event | Exit Facility | Revolving Credit Agreement, due October 2023
Line of Credit Facility [Line Items]
Amount arranged	$ 55,000,000.0
Term of arrangement	36 months
Borrowing base remediation holiday period	9 months
Bridge Loan | Subsequent Event | Initial DIP Credit Agreement | Initial DIP Facility
Line of Credit Facility [Line Items]
Amount arranged	$ 1,500,000.0	$ 1,500,000.0
Affiliate of Varde | Line of Credit | Subsequent Event | Revolving Credit Agreement | Revolving Credit Agreement, due October 2023
Line of Credit Facility [Line Items]
Long-term debt								$ 25,700,000