Quarterly report pursuant to Section 13 or 15(d)

Description of Stock Plans - Narrative (Details)

v3.20.2
Description of Stock Plans - Narrative (Details) - USD ($)
$ / shares in Units, $ in Thousands
1 Months Ended 3 Months Ended
May 31, 2020
May 31, 2019
Jun. 30, 2018
Jun. 30, 2020
Jun. 30, 2019
Mar. 31, 2020
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]            
Awarded (in shares)       105,740    
Allocated stock compensation expense       $ 1,611 $ 682  
Weighted average grant-date fair value (in dollars per share)       $ 5.30 $ 3.86  
Total unrecognized stock base compensation expense       $ 7,658 $ 3,472  
Unvested stock options, weighted average period       2 years 5 months 1 day 2 years 4 months 13 days  
Maximum            
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]            
Option plan, term       10 years    
Equity Option            
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]            
Granted (in shares)       1,740,768 1,411,750  
Forfeitures/cancellations (in shares)       96,954    
Restricted Stock Units (RSUs)            
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]            
Awarded (in shares) 105,740 109,416 232,558 109,034    
Vesting period 3 years 3 years 3 years      
Fair value of shares on date of issuance $ 700 $ 413 $ 400      
Allocated stock compensation expense       $ 68 $ 16  
Unamortized compensation expense       $ 1,086    
Stock Option Plan 2011            
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]            
Reserved for future issuance (in shares)       20,000,000    
Available for issuance (in shares)       4,616,534   6,366,088
Stock Incentive Plans | Minimum            
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]            
Option plan, term       3 years    
Stock Incentive Plans | Maximum            
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]            
Option plan, term       4 years