Note 3 - Earnings (Loss) Per Share (Tables)

12 Months Ended

Dec. 31, 2017

Notes Tables

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]

Anti-dilutive security	December 31, 2017		December 31, 2016
Employee stock options		4,225,000		275,000
Warrants		27,020,000		27,860,000
Convertible notes		11,980,000		15,490,000
Shares issuable for accrued interest		118,224		150,016
Total		43,343,224		43,775,016

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

	For the year ended
	December 31, 2017						December 31, 2016
	Income/(loss)		Shares		Per-share		Income/(loss)		Shares		Per-share
	numerator		denominator		amount		numerator		denominator		amount
Basic EPS	$	2,967,218		147,865,246	$	0.02	$	101,880		145,868,227	$	0.00
Effect of dilutive securities		4,766		312,738		-0-		-0-		294,200		-0-
Diluted EPS	$	2,971,984		148,177,984	$	0.02	$	101,880		146,162,427	$	0.00