XML 49 R32.htm IDEA: XBRL DOCUMENT
v3.20.2

Earn-out Milestone Liability (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2020
Hercules Warrant [Member] |
Schedule of Changes in Earn-out Milestone Liability | The following is a summary of the changes in the earn-out milestone liability for the six-month period ended June 30, 2020:
Balance at January 1, 2020 |  | $ | (5,717,709 | )
Non-cash loss from the change in fair value |  |  | (297,570 | )
Balance at June 30, 2020 |  | $ | (6,015,279 | )
Schedule of Risk Adjustment Assessment | The following is a schedule of the Company’s risk-adjustment assessment of each milestone:
Date |  | Risk-adjustment Assessment of Achieving each Milestone |  |  | Discount Rate |  |  | Estimated Time to Achieve |
June 30, 2020 |  |  | 80 | % |  |  | 9 | % |  | 0.54 to 1.54 years |
March 31, 2020 |  |  | 80 | % |  |  | 9 | % |  | 1.04 to 2.04 years |
December 31, 2019 |  |  | 80 | % |  |  | 9 | % |  | 1.12 to 2.12 years |
June 30, 2019 |  |  | 80 | % |  |  | 9 | % |  | 0.75 to 1.75 years |
March 31, 2019 |  |  | 80 | % |  |  | 9 | % |  | 1.00 to 2.00 years |
December 31, 2018 |  |  | 80 | % |  |  | 9 | % |  | 1.25 years |

X
- References No definition available. + Details
Name: | CLSN_EarnoutMilestoneLiabilityAbstract
Namespace Prefix: | CLSN_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The disclosure of transactions regarding the changes in earn-out liabilities during the period. + References No definition available. + Details
Name: | CLSN_ScheduleOfChangesInEarnOutMilestoneLiabilitiesTableTextBlock
Namespace Prefix: | CLSN_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Schedule of risk-adjustment assessment [Table text block] + References No definition available. + Details
Name: | CLSN_ScheduleOfRiskadjustmentAssessmentTableTextBlock
Namespace Prefix: | CLSN_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration