Quarterly report pursuant to Section 13 or 15(d)

STOCK-BASED COMPENSATION AND WARRANTS - Stock option plans (Details)

v3.20.4
STOCK-BASED COMPENSATION AND WARRANTS - Stock option plans (Details) - shares
shares in Thousands
Dec. 31, 2020
Jun. 30, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Number of shares authorized 991  
Number of shares outstanding 948 963
Number of shares available 43  
2014 Plan    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Number of shares authorized 43  
Number of shares outstanding 43  
2015 Plan    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Number of shares authorized 88  
Number of shares outstanding 88  
2016 Plan    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Number of shares authorized 560  
Number of shares outstanding 517  
Number of shares available 43  
2019 Plan    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Number of shares authorized 300  
Number of shares outstanding 300