XML 49 R37.htm IDEA: XBRL DOCUMENT v3.21.2
Note 2 - Revenue Recognition - Transaction Price Allocated to the Remaining Performance Obligations (Details) (Parentheticals) - Edge to Cloud [Member]
Jun. 30, 2021
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-07-01  
Remaining Performance Obligation (Year) 9 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-01-01  
Remaining Performance Obligation (Year) 1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-01-01  
Remaining Performance Obligation (Year) 1 year