Consolidated Balance Sheets (Parenthetical) - USD ($)	Dec. 31, 2020	Dec. 31, 2019
Unamortized debt discount	$ 452,593	$ 493,353
Debt discount of related parties	$ 3,234	$ 0
Common stock, par value	$ 0.05	$ 0.05
Common stock, shares authorized	50,000,000	50,000,000
Common stock, shares issued	26,866,379	27,441,040
Common stock, shares outstanding	26,866,379	27,441,040
Series A - No Dividends, Non-voting [Member]
Preferred stock, par value	$ 2.00	$ 2.00
Preferred stock, shares authorized	2,000,000	2,000,000
Preferred stock, shares issued	200,500	200,500
Preferred stock, shares outstanding	200,500	200,500
Series D - 8% Cumulative, Convertible [Member]
Preferred stock, par value	$ 1.00	$ 1.00
Preferred stock, shares authorized	1,000,000	1,000,000
Preferred stock, shares issued	375,000	375,000
Preferred stock, shares outstanding	375,000	375,000