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Summary of Business and Significant Accounting Policies - ESPP and Stock Option Awards (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 6 Months Ended
Dec. 01, 2022
Dec. 01, 2021
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2022
Dec. 31, 2021
Assumptions            
Dividend yield         0.00%  
Stock Options            
Stock-based awards            
Options granted during period     53,200 241,379 154,067 3,191,939
Options granted during period, weighted-average price (in dollars per share)     $ 4.32 $ 5.78 $ 4.79 $ 7.19
Total unrecognized compensation cost, net of forfeitures, of all options granted but not yet vested     $ 7,500   $ 7,500  
Weighted average period over which unrecognized compensation is expected to be recognized         1 year 4 months 24 days  
Issuance of common stock upon exercise of stock options (in shares)     121,936 41,309 129,161 197,479
Assumptions            
Expected volatility     64.00% 69.00% 65.00% 70.00%
Average risk-free interest rate     4.00% 1.18% 3.50% 0.83%
Expected life (in years)     4 years 6 months 29 days 4 years 8 months 4 days 4 years 7 months 9 days 4 years 8 months 4 days
Dividend yield     0.00% 0.00% 0.00% 0.00%
Employee Stock Purchase Plan (ESPP)            
ESPP            
Percentage of stock price at which stock can be purchased         85.00%  
Purchase period         6 months  
ESPP shares available for issuance         1,025,112  
Employee Stock Purchase Plan (ESPP) | Minimum            
ESPP            
Percentage of base earnings that can be withheld         1.00%  
Employee Stock Purchase Plan (ESPP) | Maximum            
ESPP            
Offering period         27 months  
Percentage of base earnings that can be withheld         15.00%  
ESPP Grants on December 1, 2022            
ESPP            
ESPP purchase rights granted 88,414          
Stock-based compensation     $ 41   $ 41  
ESPP Grants on December 1, 2021            
ESPP            
ESPP purchase rights granted   86,928        
Stock-based compensation       $ 47   $ 47