Consolidated Balance Sheets (Parenthetical) - $ / shares	Mar. 31, 2021	Dec. 31, 2020	Nov. 30, 2020
Consolidated Balance Sheets
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01	$ 0.01
Common stock, shares authorized	50,000,000	10,000,000	10,000,000
Common stock, shares issued	8,333,350	6,280,856	6,280,856
Common stock, shares outstanding	7,715,534	5,663,040	5,663,040
Treasury stock, shares	617,816	617,816	617,816