CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares	Dec. 31, 2020	Dec. 31, 2019
Statement of Financial Position [Abstract]
Common stock, par value	$ 0.10	$ 0.10
Common stock, shares authorized	5,000,000	5,000,000
Common stock, shares issued	2,843,292	2,825,912
Common stock, shares outstanding	2,843,292	2,825,912