Note 3 - Earnings per Share Numerator and Denominator (Details) - USD ($)	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Numerator:
Numerator for basic and diluted earnings per share, net income available to common shareholders	$ (32,002)	$ 708,617
Denominator:
Denominator for basic earnings per share, weighted average shares outstanding (in shares)	7,719,248	7,359,314
Effect of dilutive securities (in shares)		4,763,117
Denominator for diluted earnings per share, adjusted weighted average shares and assumed conversion (in shares)	7,719,248	12,122,431
Basic earnings per common share (in dollars per share)	$ 0	$ 0.10
Diluted earnings per common share and common share equivalent (in dollars per share)	$ 0	$ 0.06