Quarterly report pursuant to Section 13 or 15(d)

Note 2 - Revenue (Details Textual)

v3.22.2
Note 2 - Revenue (Details Textual)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
USD ($)
Jun. 30, 2021
Revenue from Contract with Customers, Sales Returns, Percent     1.00% 1.00%
Contract with Customer, Liability, Revenue Recognized     $ (5.3)  
Increase (Decrease) in Contract with Customer, Liability     $ (3.5)  
Geographic Concentration Risk [Member] | Revenue Benchmark [Member]        
Number of Major Markets     0  
Number of Major Customers 0 0 0 0
Minimum [Member]        
Revenue from Contract with Customer, Sales Returns Policy Term (Day)     14 days  
Revenue from Contract with Customers, Historical Sales Returns, Percent     1.00%  
Maximum [Member]        
Revenue from Contract with Customer, Sales Returns Policy Term (Day)     1 year  
Revenue from Contract with Customers, Historical Sales Returns, Percent     8.00%