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Subsequent Events	6 Months Ended
Subsequent Events	Jun. 30, 2022
Subsequent Events [Abstract]
Subsequent Events	Note 6. Subsequent Events On July 15, 2022, three Company directors exercised their stock options. Each director had options to purchase 2,500 shares at an exercise price of $4.15. The total amount received by the Company for the exercise of the options was $31.