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FAIR VALUE MEASUREMENT (Tables) | 6 Months Ended
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Jun. 30, 2020
Notes 2021 [Member] |
Schedule of liability component based on income approach | The Company prepared a valuation of the fair value of the Company’s outstanding 2021 Notes (a Level 3 valuation) as of June 30, 2020. The value of these notes was estimated by implementing the binomial model. The liability component was valued based on the Income Approach. The following parameters were used: ​
​ | ​ | ​ | ​
​ |  | 2021 Notes | ​
Stock price (USD) |  | 3.79 | ​
Expected term |  | 1.38 | ​
Risk free rate |  | 0.16 | %
Volatility |  | 107.87 | %
Yield |  | 12.87 | %

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- Definition Tabular disclosure of input and valuation technique used to measure fair value and change in valuation approach and technique for each separate class of asset and liability measured on recurring and nonrecurring basis. + 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 (bbb) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
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- Details
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