Consolidated Balance Sheets (Parenthetical) - $ / shares	Dec. 31, 2019	Dec. 31, 2018
Statement of Financial Position [Abstract]
Preferred stock, par value (in dollars per share)	$ 1.25	$ 1.25
Preferred stock, shares authorized	500,000	500,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock, stated value (in dollars per share)	$ 0.05205	$ 0.05205
Common stock, shares authorized	50,000,000	50,000,000
Common stock, shares issued	11,220,604	9,439,255
Common stock, shares outstanding	11,199,874	9,430,224
Treasury stock, shares	20,730	9,031