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LEASES (Tables) | 12 Months Ended
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Dec. 31, 2019
LEASES |
Schedule of future lease payments of operating lease and finance lease | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | 2020 |  | 2021 |  | 2022
Operating lease payments (1) | ​ | $ | 1,236,779 | ​ | $ | 708,392 | ​ | $ | —
Financing lease payments (2) | ​ | ​ | 311,206 | ​ | ​ | 311,206 | ​ | ​ | 132,499
​
(1) | The weighted average discount rate as of December 31, 2019 for operating leases was 4.49%. Based on this rate, the future lease payments above include imputed interest of $78,126. The weighted average remaining term of operating leases was 1.7 years.
(2) | The weighted average discount rate as of December 31, 2019 for financing leases was 5.26%. Based on this rate, the future lease payments above include imputed interest of $49,815. The weighted average remaining term of financing leases was 2.42 years.
Schedule of lease cost | ​
​ | ​ | ​ | ​
​ |  | 2019
Operating lease costs | ​ | $ | 925,217
Short term lease costs (1) | ​ | ​ | 5,692,924
Financing lease costs: | ​ | ​ | ​
Amortization of financing lease assets (2) | ​ | ​ | 178,132
Interest on lease liabilities (3) | ​ | ​ | 26,090
​
(1) | Amount included in Oil and gas production costs
(2) | Amount included in Depreciation, depletion and amortization
(3) | Amount included in Interest expense

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- Definition Tabular disclosure of undiscounted cash flows of lessee's operating lease liability and finance lease liability. + References No definition available. + Details
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- Definition Tabular disclosure of lessee's lease cost. Includes, but is not limited to, interest expense for finance lease, amortization of right-of-use asset for finance lease, operating lease cost, short-term lease cost, variable lease cost and sublease income. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980 + Details
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- References No definition available. + Details
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