Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Millions	Jun. 30, 2022	Dec. 31, 2021	Jun. 30, 2021
Common stock, no par value	$ 0	$ 0
Common stock, shares authorized	50,000,000	50,000,000
Common stock, shares issued	5,955,408	5,930,408
Common stock, shares outstanding	5,911,750	5,886,750
Treasury stock, shares	43,658	43,658
Series A Preferred Stock [Member]
Preferred stock, par value	$ 0	$ 0
Preferred stock, shares authorized	3,000,000	3,000,000
Preferred stock, shares issued	500,000	500,000
Preferred stock, shares outstanding	500,000	500,000
Preferred stock, liquidation preference			$ 5.0
Series B Preferred Stock [Member]
Preferred stock, par value	$ 0	$ 0
Preferred stock, shares authorized	170,000	170,000
Preferred stock, shares issued	170,000	170,000
Preferred stock, shares outstanding	170,000	170,000
Preferred stock, liquidation preference			1.7
Series C Preferred Stock [Member]
Preferred stock, par value	$ 0	$ 0
Preferred stock, shares authorized	170,000	170,000
Preferred stock, shares issued	170,000	170,000
Preferred stock, shares outstanding	170,000	170,000
Preferred stock, liquidation preference			1.7
Series D Preferred Stock [Member]
Preferred stock, par value	$ 0	$ 0
Preferred stock, shares authorized	170,000	170,000
Preferred stock, shares issued	170,000	170,000
Preferred stock, shares outstanding	170,000	170,000
Preferred stock, liquidation preference			$ 1.7