CONDENSED CONSOLIDATED BALANCE SHEETS (Parentheticals) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Notes payable to related parties	$ 1,477	$ 1,797
Preferred stock, authorized	1,000,000	1,000,000
Preferred stock, par value	$ 0	$ 0
Common stock, par value	$ 0	$ 0
Common stock, shares authorized	100,000,000	100,000,000
Common stock, issued	5,931,602	5,931,602
Common stock, outstanding	5,931,582	5,931,582
Related Party [Member]
Notes payable to related parties	$ 200	$ 200
Series F Preferred Stock [Member]
Preferred stock, authorized	520	520
Preferred stock, issued	514.8	514.8
Preferred stock, outstanding	514.8	514.8