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LEASES (Tables) | 3 Months Ended
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Mar. 31, 2022
LEASES [Abstract] |
Summary of balance sheet presentation of our operating and finance leases | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
(dollars in thousands) | ​ | ​ | ​ | ​ | ​ | ​
Classification on the Condensed Consolidated Balance Sheet | ​ | March 31, 2022 | ​ | December 31, 2021
Assets: | ​ | ​ | ​ | ​ | ​ | ​
Operating lease right-of-use assets, net | ​ | $ | 812 | ​ | $ | 858
Finance lease right-of-use assets, net (1) | ​ | ​ | 337 | ​ | ​ | 371
Total lease assets | ​ | $ | 1,149 | ​ | $ | 1,229
​ | ​ | ​ | ​ | ​ | ​ | ​
Liabilities: | ​ | ​ | ​ | ​ | ​ | ​
Current: | ​ | ​ | ​ | ​ | ​ | ​
Current maturities of operating lease liabilities | ​ | $ | 162 | ​ | $ | 166
Current maturities of finance lease liabilities | ​ | ​ | 195 | ​ | ​ | 222
Noncurrent: | ​ | ​ | ​ | ​ | ​ | ​
Operating lease liabilities, less current maturities | ​ | ​ | 656 | ​ | ​ | 697
Finance lease liabilities, less current maturities | ​ | ​ | 130 | ​ | ​ | 159
Total lease liabilities | ​ | $ | 1,143 | ​ | $ | 1,244
| (1) | As of March 31, 2022 and December 31, 2021, finance lease right-of-use assets included $48 and $61, respectively, of assets related to finance leases associated with the HSRR program.
Summary of estimated future minimum lease payments for finance leases | As of March 31, 2022 and December 31, 2021, the estimated future minimum lease payments, excluding non-lease components, are as follows:
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
(dollars in thousands) |  | Operating Leases | ​ | Finance Leases | ​ | Total
​ | ​ | ​ | March 31, | ​ | ​ | December 31, | ​ | ​ | March 31, | ​ | ​ | December 31, | ​ | ​ | March 31, | ​ | ​ | December 31,
​ | ​ | ​ | 2022 | ​ | ​ | 2021 | ​ | ​ | 2022 | ​ | ​ | 2021 | ​ | ​ | 2022 | ​ | ​ | 2021
2022 | ​ | $ | 165 | ​ | $ | 227 | ​ | $ | 116 | ​ | $ | 176 | ​ | $ | 281 | ​ | $ | 403
2023 | ​ |  | 218 | ​ | ​ | 218 | ​ |  | 101 | ​ | ​ | 101 | ​ |  | 319 | ​ |  | 319
2024 | ​ |  | 205 | ​ | ​ | 204 | ​ |  | 80 | ​ | ​ | 80 | ​ |  | 285 | ​ |  | 284
2025 | ​ |  | 191 | ​ | ​ | 191 | ​ |  | 65 | ​ | ​ | 65 | ​ |  | 256 | ​ |  | 256
2026 | ​ | ​ | 194 | ​ | ​ | 195 | ​ | ​ | 26 | ​ | ​ | 26 | ​ | ​ | 220 | ​ | ​ | 221
Thereafter | ​ |  | — | ​ | ​ | — | ​ |  | — | ​ | ​ | — | ​ |  | — | ​ |  | —
Total lease obligations | ​ |  | 973 | ​ | ​ | 1,035 | ​ |  | 388 | ​ | ​ | 448 | ​ |  | 1,361 | ​ |  | 1,483
Less: Amount representing interest | ​ |  | (155) | ​ | ​ | (172) | ​ |  | (63) | ​ | ​ | (67) | ​ |  | (218) | ​ |  | (239)
Present value of net minimum lease obligations | ​ |  | 818 | ​ | ​ | 863 | ​ |  | 325 | ​ | ​ | 381 | ​ |  | 1,143 | ​ |  | 1,244
Less, current portion | ​ |  | (162) | ​ | ​ | (166) | ​ |  | (195) | ​ | ​ | (222) | ​ |  | (357) | ​ |  | (388)
Long term portion | ​ | $ | 656 | ​ | $ | 697 | ​ | $ | 130 | ​ | $ | 159 | ​ | $ | 786 | ​ | $ | 856
Schedule of other information | ​
​ | ​ | ​ | ​
​ | March 31, | ​ | December 31,
​ | 2022 | ​ | 2021
Weighted-average remaining lease term (years): | ​ | ​ | ​
Operating leases | 4.5 | ​ | 4.7
Finance leases | 3.4 | ​ | 3.1
Weighted-average discount rate: | ​ | ​ | ​
Operating leases | 8.00% | ​ | 8.00%
Finance leases | 10.10% | ​ | 10.03%

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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=123408670&loc=SL77918701-209980 + Details
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