Note 3 - Earnings per Share Numerator and Denominator (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Numerator:
Numerator for basic and diluted earnings per share, net income available to common shareholders	$ 24,850	$ 486,801	$ 733,465	$ 648,540
Denominator:
Denominator for basic earnings per share, weighted average shares outstanding (in shares)	7,369,329	8,334,304	7,369,329	8,333,949
Effect of dilutive securities (in shares)	4,712,425	521,255	4,733,590	503,067
Denominator for diluted earnings per share, adjust weighted average shares and assumed conversion (in shares)	12,081,754	8,855,559	12,102,919	8,837,016
Basic earnings (loss) per common share (in dollars per share)	$ 0	$ 0.06	$ 0.10	$ 0.08
Diluted earnings (loss) per common share and common share equivalent (in dollars per share)	$ 0	$ 0.05	$ 0.06	$ 0.07