Quarterly report pursuant to Section 13 or 15(d)

Equity Plans (Narrative) (Details)

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Equity Plans (Narrative) (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Mar. 31, 2022
Mar. 31, 2021
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]        
Number of shares authorized under 2015 Equity Incentive Plan 3,000,000   3,000,000  
Non-cash share-based compensation expense $ 627 $ 640 $ 1,900 $ 1,800
Common Stock [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]        
Stock issued under employee stock purchase plan     2,008 693
Proceeds from issuance     $ 59 $ 21
2017 Employee Stock Purchase Plan [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]        
Discount rate on purchase of common stock 5.00%   5.00%  
Restricted Stock Awards [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]        
Number of shares granted     134,612 8,624
Unrecognized compensation expense, net of estimated forfeitures, related to non-vested restricted stock $ 18,500   $ 18,500  
Weighted-average period     17 years 1 month 6 days  
Number of stock Forfeited     13,203 1,492
Restricted Stock Units [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]        
Number of shares granted 79,393 2,400 135,816 204,014
Unrecognized compensation expense, net of estimated forfeitures, related to non-vested restricted stock $ 9,500   $ 9,500  
Weighted-average period     10 years 9 months 18 days  
Number of stock Forfeited 1,130   9,457  
Stock Awards [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]        
Number of shares granted     8,287