CONDENSED CONSOLIDATED BALANCE SHEETS (Parentheticals) - $ / shares	Sep. 30, 2021	Dec. 31, 2020
Common Stock, par value (in Dollars per share)	$ 0.001	$ 0.001
Common Stock, shares authorized	30,000,000	30,000,000
Common Stock, shares issued	13,474,116	13,474,116
Common Stock, shares outstanding	13,446,276	13,446,276
Treasury Stock, shares	27,840	27,840
Convertible Preferred Stock [Member] | Series A Preferred Stock [Member]
Preferred stock, par value (in Dollars per share)	$ 20	$ 20
Preferred stock, shares authorized	416,500	416,500
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Convertible Preferred Stock [Member] | Series B Preferred Stock [Member]
Preferred stock, par value (in Dollars per share)	$ 200	$ 200
Preferred stock, shares authorized	51,000	51,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0