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Note 10 - Stockholders' Equity (Tables)

3 Months Ended

Mar. 31, 2018

Notes Tables

Schedule of Preferred Stock and Accrued Dividends [Table Text Block]

		Series A-1				Accrued Dividends

Balance – January 1, 2017			90,000			$	270,000
Accrual of dividends – Q1 2017							135,000
Accrual of dividends – Q2 2017							135,000
Accrual of dividends – Q3 2017							135,000
Conversion into common stock – September 2017			-				(540,000	)
Conversion into common stock – October 2017			(27,404	)			-
Accrual of dividends – Q4 2017							101,658
Balance – December 31, 2017			62,596			$	236,658
Accrual of dividends – Q1 2018							93,894
Balance – March 31, 2018			62,596			$	330,552

		Series B -1				Accrued Dividends

Balance – January 1, 2017			105,000			$	131,250
Accrual of dividends – Q1 2017							65,625
Accrual of dividends – Q2 2017							65,625
Accrual of dividends – Q3 2017							65,625
Accrual of dividends – Q4 2017							65,625
Balance – December 31, 2017			105,000				393,750
Conversion into common stock – March 2018			(60,420	)			(417,084	)
Accrual of dividends – Q1 2018							62,268
Balance – March 31, 2018			44,580			$	38,934