1. BASIS OF PRESENTATION (Details) - USD ($)	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Numerator
Net income	$ 122,685	$ 787,082
Accrued preferred stock dividends	(359,636)	(256,452)
Net income/loss applicable to common shares	$ (236,951)	$ 530,630
Denominator
Weighted-average common shares	4,964,529	4,964,529
Earnings/loss per common share after preferred dividends	$ (0.05)	$ 0.11