CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY (UNAUDITED) - USD ($)
Common Stock
Additional Paid-in Capital
Accumulated Other Comprehensive Gain (Loss)
Retained Earnings
Treasury Stock
Total
Balance beginning, shares at Jun. 30, 2018 1,513,914       19,802  
Balance beginning, amount at Jun. 30, 2018 $ 75,700 $ 2,545,900 $ 1,200 $ 3,131,800 $ 52,400 $ 5,702,200
Cumulative effect of the adoption of ASU 2016-01 - Financial Instruments       22,000   22,000
Net income (loss)       142,000   142,000
Cash dividend declared, $.05       (74,700)   (74,700)
Unrealized holding loss on investment securities,net of tax     (18,100)     (18,100)
Stock-based compensation   8,700       8,700
Balance ending, shares at Sep. 30, 2018 1,513,914       19,802  
Balance ending, amount at Sep. 30, 2018 $ 75,700 2,554,600 (16,900) 3,221,100 $ 52,400 5,782,100
Net income (loss)       118,400   118,400
Unrealized holding loss on investment securities,net of tax     (2,900)     (2,900)
Stock-based compensation   9,500       9,500
Balance ending, shares at Dec. 31, 2018 1,513,914       19,802  
Balance ending, amount at Dec. 31, 2018 $ 75,700 2,564,100 (19,800) 3,339,500 $ 52,400 5,907,100
Balance beginning, shares at Jun. 30, 2019 1,513,914       19,802  
Balance beginning, amount at Jun. 30, 2019 $ 75,700 2,592,700 0 3,724,700 $ 52,400 6,340,700
Net income (loss)       (56,200)   (56,200)
Stock options exercised, shares 2,000          
Stock options exercised, amount $ 100 6,900       7,000
Stock-based compensation   17,700       17,700
Balance ending, shares at Sep. 30, 2019 1,515,914       19,802  
Balance ending, amount at Sep. 30, 2019 $ 75,800 2,617,300 0 3,668,500 $ 52,400 6,309,200
Net income (loss)       3,600   3,600
Stock options exercised, shares 6,661          
Stock options exercised, amount $ 300 (300)       0
Stock-based compensation   17,700       17,700
Balance ending, shares at Dec. 31, 2019 1,522,575       19,802  
Balance ending, amount at Dec. 31, 2019 $ 76,100 $ 2,634,700 $ 0 $ 3,672,100 $ 52,400 $ 6,330,500