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FAIR VALUE ACCOUNTING (Tables) | 12 Months Ended
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Dec. 31, 2019
FAIR VALUE ACCOUNTING |
Schedule of assets and liabilities measured at fair value on a recurring basis by level within the fair value hierarchy | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Fair value as at December 31, 2019 |  | Fair value as at December 31, 2018
​ |  | Level 1 |  | Level 2 |  | Total |  | Level 1 |  | Level 2 |  | Total
Marketable equity securities | ​ | $ | 1,885 | ​ | $ | — | ​ | $ | 1,885 | ​ | $ | 2,718 | ​ | $ | — | ​ | $ | 2,718
Warrants | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 413 | ​ | ​ | 413
Total investments | ​ | $ | 1,885 | ​ | $ | — | ​ | $ | 1,885 | ​ | $ | 2,718 | ​ | $ | 413 | ​ | $ | 3,131

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- Definition Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
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