Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - USD ($)	Mar. 31, 2016	Dec. 31, 2015
Allowance for doubtful accounts (in Dollars)	$ 92,138	$ 116,834
Preferred stock, par value (in Dollars per share)	$ 0.001	$ 0.001
Preferred stock, shares authorized	10,000,000	10,000,000
Preferred stock, shares undesignated (in Dollars)	$ 3,772,500	$ 3,772,500
Common stock, shares authorized	250,000,000	250,000,000
Common stock, shares issued	145,719,273	131,703,577
Common stock, shares outstanding	145,719,273	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	230,000	230,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Preferred stock, liquidation preference (in Dollars)	$ 0	$ 0
Series C Preferred Stock [Member]
Preferred stock, par value (in Dollars per share)	$ 0.001	$ 0.001
Preferred stock, shares authorized	747,500	747,500
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Preferred stock, liquidation preference (in Dollars)	$ 0	$ 0
Series A Preferred Stock [Member]
Preferred stock, par value (in Dollars per share)	$ 0.001	$ 0.001
Preferred stock, shares authorized	5,000,000	5,000,000
Preferred stock, shares issued	150,000	3,637,724
Preferred stock, shares outstanding	150,000	3,637,724
Preferred stock, liquidation preference (in Dollars)	$ 150,000	$ 3,637,724
Series D Preferred Stock [Member]
Preferred stock, par value (in Dollars per share)	$ 0.001	$ 0.001
Preferred stock, shares authorized	250,000	250,000
Preferred stock, shares issued	250,000	250,000
Preferred stock, shares outstanding	250,000	250,000
Notes Payable, Other Payables [Member]
Notes payable discount (in Dollars)	$ 316,885	$ 0
Convertible Notes Payable [Member]
Notes payable discount (in Dollars)	$ 0	$ 0