Balance Sheets (Parenthetical) - $ / shares	Dec. 31, 2019	Dec. 31, 2018
Balance Sheets
Common Stock, No Par Value (in dollars per share)	$ 0	$ 0
Common stock, shares authorized	30,000,000	30,000,000
Common stock, shares, issued	17,195,683	16,665,661
Common stock, shares, outstanding	17,195,683	16,665,661