Quarterly report pursuant to Section 13 or 15(d)

Balance Sheets (Parenthetical)

v3.22.2.2
Balance Sheets (Parenthetical) - $ / shares
Jun. 30, 2022
Dec. 31, 2021
Balance Sheets    
Common stock, par value (in dollars per share) $ 0.001 $ 0.001
Common stock, shares authorized 50,000,000 50,000,000
Common stock, shares, issued 5,905,118 5,893,767
Common stock, shares, outstanding 5,903,797 5,892,446
Treasury stock, shares 1,321 1,321