Consolidated Balance Sheets (Parentheticals) - USD ($)	Dec. 31, 2016	Dec. 31, 2015
Allowance for doubtful accounts	$ 179,813	$ 116,834
Notes payable discount
Preferred stock, par value (in dollars per share)	$ 0.001	$ 0.001
Preferred stock, shares authorized (in shares)	10,000,000	10,000,000
Preferred stock, shares undesignated	$ 3,772,500	$ 3,772,500
Common stock, shares authorized (in shares)	500,000,000	500,000,000
Common stock, shares issued (in shares)	147,786,917	131,703,577
Common stock, shares outstanding (in shares)	147,786,917	131,703,577
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Series B Preferred Stock [Member]
Preferred stock, par value (in dollars per share)	$ 0.001	$ 0.001
Preferred stock, shares authorized (in shares)	230,000	230,000
Preferred stock, shares issued (in shares)	0	0
Preferred stock, shares outstanding (in shares)	0	0
Preferred stock, liquidation preference	$ 0	$ 0
Series C Preferred Stock [Member]
Preferred stock, par value (in dollars per share)	$ 0.001	$ 0.001
Preferred stock, shares authorized (in shares)	747,500	747,500
Preferred stock, shares issued (in shares)	0	0
Preferred stock, shares outstanding (in shares)	0	0
Preferred stock, liquidation preference	$ 0	$ 0
Series A Preferred Stock [Member]
Preferred stock, par value (in dollars per share)	$ 0.001	$ 0.001
Preferred stock, shares authorized (in shares)	5,000,000	5,000,000
Preferred stock, shares issued (in shares)	0	3,637,724
Preferred stock, shares outstanding (in shares)	0	3,637,724
Preferred stock, liquidation preference	$ 0	$ 3,637,724
Series D Preferred Stock [Member]
Preferred stock, par value (in dollars per share)	$ 0.001	$ 0.001
Preferred stock, shares authorized (in shares)	250,000	250,000
Preferred stock, shares issued (in shares)	250,000	250,000
Preferred stock, shares outstanding (in shares)	250,000	250,000
Related Party Long Term [Member]
Notes payable discount	$ 237,664	$ 0
Notes Payable, Other Payables [Member]
Notes payable discount	$ 455,285	$ 0