Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies - Reconciliation of Shares Used in Calculating Basic and Diluted Earnings per Common Shares (Details)

v3.20.1
Summary of Significant Accounting Policies - Reconciliation of Shares Used in Calculating Basic and Diluted Earnings per Common Shares (Details) - shares
3 Months Ended 9 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Mar. 31, 2020
Mar. 31, 2019
Earnings Per Share [Abstract]        
Basic weighted average shares outstanding 7,031,400 7,031,400 7,031,400 7,031,400
Effect of common stock equivalents — stock issuable under outstanding equity awards 12,000 53,000 32,000 56,000
Diluted weighted average shares outstanding 7,042,800 7,084,400 7,063,100 7,087,300