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FAIR VALUE MEASUREMENTS (Tables) | 9 Months Ended
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Sep. 30, 2021
FAIR VALUE MEASUREMENTS |
Schedule of the fair value measurements of applicable financial liabilities | The following tables provide the fair value measurements of applicable financial liabilities as of September 30, 2021 and December 31, 2020:
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Financial liabilities at fair value as of September 30, 2021
(in thousands) |  | Level 1 |  | Level 2 |  | Level 3 |  | Total
​ | ​ |  | ​ | ​ |  | ​ | ​ |  | ​ | ​ |  | ​
5% Notes | ​ | $ | — | ​ | $ | — | ​ | $ | 623 | ​ | $ | 623
Total | ​ | $ | — | ​ | $ | — | ​ | $ | 623 | ​ | $ | 623
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Financial liabilities at fair value as of December 31, 2020
​ |  | Level 1 |  | Level 2 |  | Level 3 |  | Total
​ |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |
5% Notes | ​ | $ | — | ​ | $ | — | ​ | $ | 938 | ​ | $ | 938
Total | ​ | $ | — | ​ | $ | — | ​ | $ | 938 | ​ | $ | 938
Schedule of change in level three fair value during period | The following table summarizes the changes in Level 3 instruments during the nine months ended September 30, 2021:
​ | ​ | ​ | ​
(in thousands) | ​ | ​ | ​
Balance at December 31, 2020 | ​ | ​ | 938
Interest accrued on face value of 5% Notes | ​ |  | 764
Change in fair value of Level 3 liabilities | ​ |  | (1,079)
Balance at September 30, 2021 | ​ | $ | 623

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- Definition Tabular disclosure of the fair value of financial instruments, including financial assets and financial liabilities, and the measurements of those instruments, assets, and liabilities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=123594938&loc=d3e13467-108611 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 + Details
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- Definition Tabular disclosure of the fair value measurement of liabilities using significant unobservable inputs (Level 3), a reconciliation of the beginning and ending balances, separately presenting changes attributable to the following: (1) total gains or losses for the period (realized and unrealized), segregating those gains or losses included in earnings (or changes in net assets), and gains or losses recognized in other comprehensive income (loss) and a description of where those gains or losses included in earnings (or changes in net assets) are reported in the statement of income (or activities); (2) purchases, sales, issues, and settlements (each type disclosed separately); and (3) transfers in and transfers out of Level 3 (for example, transfers due to changes in the observability of significant inputs) by class of liability. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19279-110258 + Details
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