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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables) | 12 Months Ended
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Dec. 31, 2020
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES |
Summary of assets measured at fair value on a recurring basis | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Basis of Fair Value Measurements | ​
​ |  | December 31, 2020 | ​
​ |  | ​ | Level 1 |  | ​ | Level 2 |  | ​ | Level 3 | ​ | ​ | Total | ​
Assets: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Cash equivalents |  | $ | 17 |  | $ | — |  | $ | — |  | $ | 17 | ​
Total |  | $ | 17 |  | $ | — |  | $ | — |  | $ | 17 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Liabilities: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Contingent consideration (1) |  | $ | — |  | $ | — |  | $ | 5,319 |  | $ | 5,319 | ​
​ |  | $ | — |  | $ | — |  | $ | 5,319 |  | $ | 5,319 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Basis of Fair Value Measurements | ​
​ |  | December 31, 2019 | ​
​ |  | ​ | Level 1 |  | ​ | Level 2 |  | ​ | Level 3 | ​ | ​ | Total | ​
Assets: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Cash equivalents |  | $ | 17 |  | $ | — |  | $ | — |  | $ | 17 | ​
Total |  | $ | 17 |  | $ | — |  | $ | — |  | $ | 17 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Liabilities: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Contingent consideration (1) |  | $ | — |  | $ | — |  | $ | — |  | $ | — | ​
​ |  | $ | — |  | $ | — |  | $ | — |  | $ | — | ​
(1) | The current and noncurrent Contingent consideration is included in “Accrued expenses” and “Other current liabilities,” respectively.
Schedule of change in the contingent consideration liability | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Year Ended | ​
​ |  | December 31, | ​
​ |  | 2020 |  | 2019 |
Beginning Balance | ​ | $ | — | ​ | $ | 1,703 | ​
Neuralify contingent consideration accrued | ​ |  | 4,900 | ​ |  | — | ​
Payment of contingent consideration | ​ |  | — | ​ |  | (1,730) | ​
Accretion of contingent consideration | ​ |  | 419 | ​ |  | 30 | ​
Unrealized gain (loss) related to currency translation | ​ |  | — | ​ |  | (3) | ​
Ending Balance | ​ | $ | 5,319 | ​ | $ | — | ​

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- Definition Tabular disclosure of contingent payment arrangements including the terms that will result in payment and the accounting treatment that will be followed if such contingencies occur, including the potential impact on earnings per share if contingencies are to be settled in common stock of the entity. The description also may include the period over which amounts are expected to be paid, and changes in the amount since the previous reporting period. This also includes contingent options and commitments. + References No definition available. + Details
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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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