Annual report pursuant to Section 13 and 15(d)

Fair Value Measurements (Tables)

v3.20.4
Fair Value Measurements (Tables)
12 Months Ended
Dec. 31, 2020
Fair Value Disclosures [Abstract]  
Schedule of Fair Value, Assets Measured on Recurring Basis
The following table presents the asset reported in the consolidated balance sheet measured at its fair value on a recurring basis as of December 31, 2020 and 2019 by level within the fair value hierarchy.
December 31, 2020 Quoted prices in active markets for identical assets Significant other observable inputs Significant unobservable inputs
Total Level 1 Level 2 Level 3 Total losses
Recurring fair value measurements
     Available-for-sale equity securities
          EuroSite Power Inc. $ 118,084  $ —  $ 118,084  $ —  $ (98,403)
Total recurring fair value measurements $ 118,084  $ —  $ 118,084  $ —  $ (98,403)
December 31, 2019
Recurring fair value measurements
     Available-for-sale equity securities
          EuroSite Power Inc. $ 236,167  $ —  $ 236,167  $ —  $ (19,680)
Total recurring fair value measurements $ 236,167  $ —  $ 236,167  $ —  $ (19,680)