XML 66 R57.htm IDEA: XBRL DOCUMENT v3.22.1
Note 13 - Fair Value Measurement - Fair Value Assumption Measurement of Warrant A (Details)
Mar. 31, 2022
Dec. 31, 2021
Measurement Input, Price Volatility [Member]    
Warrants and Rights Outstanding, Measurement Input 75.1 69.5
Measurement Input, Risk Free Interest Rate [Member]    
Warrants and Rights Outstanding, Measurement Input 0.017 0.008
Measurement Input, Expected Term [Member]    
Warrants and Rights Outstanding, Measurement Input 4.5 4.8
Measurement Input, Expected Dividend Rate [Member]    
Warrants and Rights Outstanding, Measurement Input 0 0