Condensed Consolidated Balance Sheets (Unaudited) (Parentheticals) - USD ($)	Jun. 30, 2015	Dec. 31, 2014
Accounts receivable, net of reserves	$ 133,820	$ 146,618
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized (in shares)	1,250,000	1,250,000
Preferred stock, shares issued (in shares)	0	0
Preferred stock, shares outstanding (in shares)	0	0
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	30,000,000	30,000,000
Common stock, shares issued (in shares)	15,003,694	14,851,703
Common stock,shares outstanding (in shares)	15,003,694	14,851,703