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Summary of Business and Significant Accounting Policies - (Loss) Earnings Per Common Share (Detail) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 12 Months Ended
Jun. 30, 2023
Mar. 31, 2023
Dec. 31, 2022
Sep. 30, 2022
Jun. 30, 2022
Mar. 31, 2022
Dec. 31, 2021
Sep. 30, 2021
Jun. 30, 2023
Jun. 30, 2022
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]                    
Net income (loss) $ 2,601 $ (372) $ (104) $ (16) $ (1,551) $ (615) $ (826) $ 551 $ 2,109 $ (2,441)
Per share information:                    
Earnings (loss) per share: Basic $ 0.08 $ (0.01) $ 0.00 $ 0.00 $ (0.05) $ (0.02) $ (0.03) $ 0.02 $ 0.07 $ (0.08)
Earnings (loss) per share: Diluted $ 0.08 $ (0.01) $ 0.00 $ 0.00 $ (0.05) $ (0.02) $ (0.03) $ 0.02 $ 0.06 $ (0.08)
Weighted Average Number of Shares Outstanding Reconciliation [Abstract]                    
Weighted average common shares used in computation: Basic                 31,959,000 31,553,000
Weighted average common shares used in computation: Diluted                 32,799,000 31,553,000
Stock Options                    
Weighted Average Number of Shares Outstanding Reconciliation [Abstract]                    
Antidilutive securities excluded from computation of earnings per share, share amount                 3,582,284 2,935,174