XML 41 R30.htm IDEA: XBRL DOCUMENT v3.21.2
Note 3 - Fair Value (Details Textual) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 6 Months Ended
Apr. 28, 2017
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Dec. 31, 2020
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability   $ 478 $ 212 $ 735 $ 1,268  
Number of Units Sold (in shares) 24,900,000          
Number of Shares in Each Unit (in shares) 0.077          
Shares Issued, Price Per Share (in dollars per share) $ 1.00          
Fair Value Adjustment of Warrants   $ (0) $ 114 $ 1,981 $ 269  
Series A Warrant [Member]            
Class of Warrant or Right, Number of Securities Called by Each Warrant or Right (in shares) 0.077          
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) $ 13.00          
Series B Warrant [Member]            
Class of Warrant or Right, Number of Securities Called by Each Warrant or Right (in shares) 0.058          
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) $ 13.00 $ 0.35   $ 0.35   $ 0.35
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding, Number, Ending Balance (in shares)           567,660