Balance Sheet (Parenthetical) - $ / shares	Dec. 31, 2020	Dec. 31, 2019
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	17,707,472	17,195,683
Common stock, shares, outstanding	17,707,472	17,195,683