Note 5 - Commitments and Contingencies (Details) | 12 Months Ended |
Dec. 31, 2018Boe$ / Rate |
Long Term Purchase Commitment Price Per Unit | 0.01 | |
PRYOR, OKLAHOMA [Member] | Inventories One [Member] | Q1 2019 [Member] | | |
Long-term Purchase Commitment, Minimum Energy Volume Required | Boe | 30,000 | |
Long Term Purchase Commitment Price Per Unit | 2.89 | |
PRYOR, OKLAHOMA [Member] | Inventories One [Member] | Q2 2019 [Member] | | |
Long-term Purchase Commitment, Minimum Energy Volume Required | Boe | 30,000 | |
Long Term Purchase Commitment Price Per Unit | 2.89 | |
PRYOR, OKLAHOMA [Member] | Inventories One [Member] | Q3 2019 [Member] | | |
Long-term Purchase Commitment, Minimum Energy Volume Required | Boe | 30,000 | |
Long Term Purchase Commitment Price Per Unit | 2.89 | |
PRYOR, OKLAHOMA [Member] | Inventories One [Member] | Q4 2019 [Member] | | |
Long-term Purchase Commitment, Minimum Energy Volume Required | Boe | 30,000 | |
Long Term Purchase Commitment Price Per Unit | 2.89 | |
PRYOR, OKLAHOMA [Member] | Inventories One [Member] | Q1 2020 [Member] | | |
Long-term Purchase Commitment, Minimum Energy Volume Required | Boe | 0 | |
Long Term Purchase Commitment Price Per Unit | 0 | |
PRYOR, OKLAHOMA [Member] | Inventories One [Member] | Q2 2020 [Member] | | |
Long-term Purchase Commitment, Minimum Energy Volume Required | Boe | 0 | |
Long Term Purchase Commitment Price Per Unit | 0 | |
PRYOR, OKLAHOMA [Member] | Inventories One [Member] | Q3 2020 [Member] | | |
Long-term Purchase Commitment, Minimum Energy Volume Required | Boe | 0 | |
Long Term Purchase Commitment Price Per Unit | 0 | |
PRYOR, OKLAHOMA [Member] | Inventories One [Member] | Q4 2020 [Member] | | |
Long-term Purchase Commitment, Minimum Energy Volume Required | Boe | 0 | |
Long Term Purchase Commitment Price Per Unit | 0 | |
PRYOR, OKLAHOMA [Member] | Inventories Two [Member] | Q1 2019 [Member] | | |
Long-term Purchase Commitment, Minimum Energy Volume Required | Boe | 60,000 | |
Long Term Purchase Commitment Price Per Unit | 2.75 | |
PRYOR, OKLAHOMA [Member] | Inventories Two [Member] | Q2 2019 [Member] | | |
Long-term Purchase Commitment, Minimum Energy Volume Required | Boe | 60,000 | |
Long Term Purchase Commitment Price Per Unit | 2.75 | |
PRYOR, OKLAHOMA [Member] | Inventories Two [Member] | Q3 2019 [Member] | | |
Long-term Purchase Commitment, Minimum Energy Volume Required | Boe | 60,000 | |
Long Term Purchase Commitment Price Per Unit | 2.75 | |
PRYOR, OKLAHOMA [Member] | Inventories Two [Member] | Q4 2019 [Member] | | |
Long-term Purchase Commitment, Minimum Energy Volume Required | Boe | 60,000 | |
Long Term Purchase Commitment Price Per Unit | 2.75 | |
PRYOR, OKLAHOMA [Member] | Inventories Two [Member] | Q1 2020 [Member] | | |
Long-term Purchase Commitment, Minimum Energy Volume Required | Boe | 0 | |
Long Term Purchase Commitment Price Per Unit | 0 | |
PRYOR, OKLAHOMA [Member] | Inventories Two [Member] | Q2 2020 [Member] | | |
Long-term Purchase Commitment, Minimum Energy Volume Required | Boe | 0 | |
Long Term Purchase Commitment Price Per Unit | 0 | |
PRYOR, OKLAHOMA [Member] | Inventories Two [Member] | Q3 2020 [Member] | | |
Long-term Purchase Commitment, Minimum Energy Volume Required | Boe | 0 | |
Long Term Purchase Commitment Price Per Unit | 0 | |
PRYOR, OKLAHOMA [Member] | Inventories Two [Member] | Q4 2020 [Member] | | |
Long-term Purchase Commitment, Minimum Energy Volume Required | Boe | 0 | |
Long Term Purchase Commitment Price Per Unit | 0 | |
PRYOR, OKLAHOMA [Member] | Inventories Three [Member] | Q1 2019 [Member] | | |
Long-term Purchase Commitment, Minimum Energy Volume Required | Boe | 15,000 | |
Long Term Purchase Commitment Price Per Unit | 2.58 | |
PRYOR, OKLAHOMA [Member] | Inventories Three [Member] | Q2 2019 [Member] | | |
Long-term Purchase Commitment, Minimum Energy Volume Required | Boe | 15,000 | |
Long Term Purchase Commitment Price Per Unit | 2.58 | |
PRYOR, OKLAHOMA [Member] | Inventories Three [Member] | Q3 2019 [Member] | | |
Long-term Purchase Commitment, Minimum Energy Volume Required | Boe | 15,000 | |
Long Term Purchase Commitment Price Per Unit | 2.58 | |
PRYOR, OKLAHOMA [Member] | Inventories Three [Member] | Q4 2019 [Member] | | |
Long-term Purchase Commitment, Minimum Energy Volume Required | Boe | 15,000 | |
Long Term Purchase Commitment Price Per Unit | 2.58 | |
PRYOR, OKLAHOMA [Member] | Inventories Three [Member] | Q1 2020 [Member] | | |
Long-term Purchase Commitment, Minimum Energy Volume Required | Boe | 0 | |
Long Term Purchase Commitment Price Per Unit | 0 | |
PRYOR, OKLAHOMA [Member] | Inventories Three [Member] | Q2 2020 [Member] | | |
Long-term Purchase Commitment, Minimum Energy Volume Required | Boe | 0 | |
Long Term Purchase Commitment Price Per Unit | 0 | |
PRYOR, OKLAHOMA [Member] | Inventories Three [Member] | Q3 2020 [Member] | | |
Long-term Purchase Commitment, Minimum Energy Volume Required | Boe | 0 | |
Long Term Purchase Commitment Price Per Unit | 0 | |
PRYOR, OKLAHOMA [Member] | Inventories Three [Member] | Q4 2020 [Member] | | |
Long-term Purchase Commitment, Minimum Energy Volume Required | Boe | 0 | |
Long Term Purchase Commitment Price Per Unit | 0 | |
PRYOR, OKLAHOMA [Member] | Inventories Four [Member] | Q1 2019 [Member] | | |
Long-term Purchase Commitment, Minimum Energy Volume Required | Boe | 25,029 | |
Long Term Purchase Commitment Price Per Unit | | [1] |
PRYOR, OKLAHOMA [Member] | Inventories Four [Member] | Q2 2019 [Member] | | |
Long-term Purchase Commitment, Minimum Energy Volume Required | Boe | 22,011 | |
Long Term Purchase Commitment Price Per Unit | | [1] |
PRYOR, OKLAHOMA [Member] | Inventories Four [Member] | Q3 2019 [Member] | | |
Long-term Purchase Commitment, Minimum Energy Volume Required | Boe | 13,222 | |
Long Term Purchase Commitment Price Per Unit | | [1] |
PRYOR, OKLAHOMA [Member] | Inventories Four [Member] | Q4 2019 [Member] | | |
Long-term Purchase Commitment, Minimum Energy Volume Required | Boe | 23,844 | |
Long Term Purchase Commitment Price Per Unit | | [1] |
PRYOR, OKLAHOMA [Member] | Inventories Four [Member] | Q1 2020 [Member] | | |
Long-term Purchase Commitment, Minimum Energy Volume Required | Boe | 130,029 | |
Long Term Purchase Commitment Price Per Unit | | [1] |
PRYOR, OKLAHOMA [Member] | Inventories Four [Member] | Q2 2020 [Member] | | |
Long-term Purchase Commitment, Minimum Energy Volume Required | Boe | 127,011 | |
Long Term Purchase Commitment Price Per Unit | | [1] |
PRYOR, OKLAHOMA [Member] | Inventories Four [Member] | Q3 2020 [Member] | | |
Long-term Purchase Commitment, Minimum Energy Volume Required | Boe | 118,222 | |
Long Term Purchase Commitment Price Per Unit | | [1] |
PRYOR, OKLAHOMA [Member] | Inventories Four [Member] | Q4 2020 [Member] | | |
Long-term Purchase Commitment, Minimum Energy Volume Required | Boe | 128,844 | |
Long Term Purchase Commitment Price Per Unit | | [1] |
BARNWELL, SOUTH CAROLINA [Member] | Inventories One [Member] | Q1 2019 [Member] | | |
Long-term Purchase Commitment, Minimum Energy Volume Required | Boe | 12,586 | |
Long Term Purchase Commitment Price Per Unit | 3.52 | |
BARNWELL, SOUTH CAROLINA [Member] | Inventories One [Member] | Q2 2019 [Member] | | |
Long-term Purchase Commitment, Minimum Energy Volume Required | Boe | 12,725 | |
Long Term Purchase Commitment Price Per Unit | 3.52 | |
BARNWELL, SOUTH CAROLINA [Member] | Inventories One [Member] | Q3 2019 [Member] | | |
Long-term Purchase Commitment, Minimum Energy Volume Required | Boe | 12,865 | |
Long Term Purchase Commitment Price Per Unit | 3.52 | |
BARNWELL, SOUTH CAROLINA [Member] | Inventories One [Member] | Q4 2019 [Member] | | |
Long-term Purchase Commitment, Minimum Energy Volume Required | Boe | 0 | |
Long Term Purchase Commitment Price Per Unit | 0 | |
BARNWELL, SOUTH CAROLINA [Member] | Inventories Two [Member] | Q1 2019 [Member] | | |
Long-term Purchase Commitment, Minimum Energy Volume Required | Boe | 12,586 | |
Long Term Purchase Commitment Price Per Unit | 3.43 | |
BARNWELL, SOUTH CAROLINA [Member] | Inventories Two [Member] | Q2 2019 [Member] | | |
Long-term Purchase Commitment, Minimum Energy Volume Required | Boe | 12,725 | |
Long Term Purchase Commitment Price Per Unit | 3.43 | |
BARNWELL, SOUTH CAROLINA [Member] | Inventories Two [Member] | Q3 2019 [Member] | | |
Long-term Purchase Commitment, Minimum Energy Volume Required | Boe | 12,865 | |
Long Term Purchase Commitment Price Per Unit | 3.43 | |
BARNWELL, SOUTH CAROLINA [Member] | Inventories Two [Member] | Q4 2019 [Member] | | |
Long-term Purchase Commitment, Minimum Energy Volume Required | Boe | 0 | |
Long Term Purchase Commitment Price Per Unit | 0 | |
BARNWELL, SOUTH CAROLINA [Member] | Inventories Three [Member] | Q1 2019 [Member] | | |
Long-term Purchase Commitment, Minimum Energy Volume Required | Boe | 12,586 | |
Long Term Purchase Commitment Price Per Unit | 3.37 | |
BARNWELL, SOUTH CAROLINA [Member] | Inventories Three [Member] | Q2 2019 [Member] | | |
Long-term Purchase Commitment, Minimum Energy Volume Required | Boe | 12,725 | |
Long Term Purchase Commitment Price Per Unit | 3.37 | |
BARNWELL, SOUTH CAROLINA [Member] | Inventories Three [Member] | Q3 2019 [Member] | | |
Long-term Purchase Commitment, Minimum Energy Volume Required | Boe | 12,865 | |
Long Term Purchase Commitment Price Per Unit | 3.37 | |
BARNWELL, SOUTH CAROLINA [Member] | Inventories Three [Member] | Q4 2019 [Member] | | |
Long-term Purchase Commitment, Minimum Energy Volume Required | Boe | 12,865 | |
Long Term Purchase Commitment Price Per Unit | 3.37 | |
|
[1] | The variable rate is based on the Oneok Gas Transportation rate plus an adder of $0.01/MMBtu plus all applicable transport and fuel. |