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Fair value measurements (Tables)
12 Months Ended
Dec. 31, 2020
Fair Value Disclosures [Abstract]  
Schedule of Financial Assets and Liabilities Measured at Fair Value on a Recurring Basis

The fair value of level 3 liabilities measured at fair value on a recurring basis for the year ended December 31, 2020 was as follows:

 

Description 

Balance at

December 31,

2019

  Acquired from Curetis  Change in Fair Value  Effect of Foreign Exchange Rates  Balance at December 31, 2020
Participation percentage interest liability  $—     $173,373   $(75,222)  $14,701   $112,852 
Embedded conversion option liability   —      442,458    (442,458)   —      —   
Total revenue  $—     $615,831   $(517,680)  $14,701   $112,852