Note 3 - Earnings per Share Numerator and Denominator (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Numerator:
Numerator for basic and diluted earnings per share, net income available to common shareholders	$ (355,301)	$ 24,850	$ (387,303)	$ 733,465
Denominator:
Denominator for basic earnings per share, weighted average shares outstanding (in shares)	7,738,759	7,369,329	7,729,003	7,369,329
Effect of dilutive securities (in shares)		4,712,425		4,733,590
Denominator for diluted earnings per share, adjust weighted average shares and assumed conversion (in shares)	7,738,759	12,081,754	7,729,003	12,102,919
Basic earnings (loss) per common share (in dollars per share)	$ (0.05)	$ 0	$ (0.05)	$ 0.10
Diluted earnings (loss) per common share and common share equivalent (in dollars per share)	$ (0.05)	$ 0	$ (0.05)	$ 0.06