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LEASES (Tables) | 6 Months Ended
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Jun. 30, 2021
LEASES [Abstract] |
Summary of balance sheet presentation of our operating and finance leases | The balance sheet presentation of our operating and finance leases is as follows:
​ | ​ | ​ | ​ | ​ | ​ | ​
(dollars in thousands) | ​ | ​ | ​ | ​ | ​ | ​
Classification on the Consolidated Balance Sheet | ​ | June 30, 2021 | ​ | December 31, 2020 (1)
Assets: | ​ | ​ | ​ | ​ | ​ | ​
Operating lease right-of-use assets, net | ​ | $ | 199 | ​ | $ | 306
Finance lease right-of-use assets, net (2) | ​ | ​ | 508 | ​ | ​ | 204
Total lease assets | ​ | $ | 707 | ​ | $ | 510
​ | ​ | ​ | ​ | ​ | ​ | ​
Liabilities: | ​ | ​ | ​ | ​ | ​ | ​
Current: | ​ | ​ | ​ | ​ | ​ | ​
Current maturities of operating lease liabilities | ​ | $ | 143 | ​ | $ | 225
Current maturities of finance lease liabilities | ​ | ​ | 248 | ​ | ​ | 48
Noncurrent: | ​ | ​ | ​ | ​ | ​ | ​
Operating lease liabilities, less current maturities | ​ | ​ | 64 | ​ | ​ | 92
Finance lease liabilities, less current maturities | ​ | ​ | 199 | ​ | ​ | 116
Total lease liabilities | ​ | $ | 654 | ​ | $ | 481
| (1) | As of December 31, 2020, $175 of property and equipment, net and $29 of operating lease right-of-use assets were reclassified to finance lease right-of-use assets to conform to the current period presentation.
| (2) | As of June 30, 2021 and December 31, 2020, finance lease right-of-use assets included $155 and $29, respectively, of assets related to finance leases associated with the HSRR program.
Summary of estimated future minimum lease payments for finance leases | As of June 30, 2021 and December 31, 2020, the estimated future minimum lease payments, excluding non-lease components, are as follows:
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
(dollars in thousands) |  | Operating Leases | ​ | Finance Leases | ​ | Total
​ | ​ | ​ | June 30, | ​ | ​ | December 31, | ​ | ​ | June 30, | ​ | ​ | December 31, | ​ | ​ | June 30, | ​ | ​ | December 31,
​ | ​ | ​ | 2021 | ​ | ​ | 2020 | ​ | ​ | 2021 | ​ | ​ | 2020 | ​ | ​ | 2021 | ​ | ​ | 2020
2021 | ​ | $ | 121 | ​ | $ | 241 | ​ | $ | 111 | ​ | $ | 61 | ​ | $ | 232 | ​ | $ | 302
2022 | ​ |  | 48 | ​ | ​ | 48 | ​ |  | 158 | ​ | ​ | 49 | ​ |  | 206 | ​ |  | 97
2023 | ​ |  | 35 | ​ | ​ | 35 | ​ |  | 91 | ​ | ​ | 38 | ​ |  | 126 | ​ |  | 73
2024 | ​ |  | 17 | ​ | ​ | 17 | ​ |  | 80 | ​ | ​ | 28 | ​ |  | 97 | ​ |  | 45
2025 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 65 | ​ | ​ | 13 | ​ | ​ | 65 | ​ | ​ | 13
Thereafter | ​ |  | — | ​ | ​ | — | ​ |  | 26 | ​ | ​ | — | ​ |  | 26 | ​ |  | —
Total lease obligations | ​ |  | 221 | ​ | ​ | 341 | ​ |  | 531 | ​ | ​ | 189 | ​ |  | 752 | ​ |  | 530
Less: Amount representing interest | ​ |  | (14) | ​ | ​ | (24) | ​ |  | (84) | ​ | ​ | (25) | ​ |  | (98) | ​ |  | (49)
Present value of net minimum lease obligations | ​ |  | 207 | ​ | ​ | 317 | ​ |  | 447 | ​ | ​ | 164 | ​ |  | 654 | ​ |  | 481
Less, current portion | ​ |  | (143) | ​ | ​ | (225) | ​ |  | (248) | ​ | ​ | (48) | ​ |  | (391) | ​ |  | (273)
Long term portion | ​ | $ | 64 | ​ | $ | 92 | ​ | $ | 199 | ​ | $ | 116 | ​ | $ | 263 | ​ | $ | 208
Schedule of other information | ​
​ | ​ | ​ | ​
​ | June 30, | ​ | December 31,
​ | 2021 | ​ | 2020
Weighted-average remaining lease term (years): | ​ | ​ | ​
Operating leases | 1.7 | ​ | 1.9
Finance leases | 3.4 | ​ | 3.6
Weighted-average discount rate: | ​ | ​ | ​
Operating leases | 8.00% | ​ | 8.00%
Finance leases | 18.87% | ​ | 8.28%

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- Definition Tabular disclosure of undiscounted cash flows of finance lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to finance lease liability recognized in statement of financial position. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=121609121&loc=SL77918701-209980 + Details
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