XML 47 R36.htm IDEA: XBRL DOCUMENT v3.22.2.2
Note 5 - Fair Value Measurements - Activity for Items Measured at Fair Value on a Recurring Basis (Details) - Stock Purchase Warrants [Member] - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Balance $ 469 $ 20,526 $ 2,651 $ 1,830
Initial fair value at the original issuance date 0 1,672 1,110 25,417
Equity classified warrant put feature activated 0 0 0 51
Change in fair value during the period (385) (12,764) (2,403) (17,939)
Fair value of warrants exercised 0 0 (1,274) 0
Seneca liability classified warrants assumed 0 0 0 200
Expiration of equity classified warrant put feature 0 0 0 (26)
Settlement of liability - classified warrants 0 0 0 (99)
Balance $ 84 $ 9,434 $ 84 $ 9,434