XML 68 R56.htm IDEA: XBRL DOCUMENT v3.21.1
Fair Value Measurements (Details) - USD ($)
$ in Thousands
Mar. 31, 2021
Dec. 31, 2020
Jun. 30, 2020
Fair Value Measurements      
Amount of transfers of marketable securities within the three level hierarchy $ 0    
Intangible assets 1,683 $ 1,680  
Recurring      
Fair Value Measurements      
Available for sale debt securities 16,189 16,188  
Recurring | Money market mutual funds      
Fair Value Measurements      
Money market mutual funds 16,189 16,188  
Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1)      
Fair Value Measurements      
Available for sale debt securities 16,189 16,188  
Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | Money market mutual funds      
Fair Value Measurements      
Money market mutual funds $ 16,189 $ 16,188  
Non-recurring | Significant Unobservable Inputs (Level 3) | Airwear Product      
Fair Value Measurements      
Intangible assets     $ 0