Note 10 - Note Payable (Tables)

6 Months Ended

Jun. 30, 2016

Notes Tables

Convertible Debt [Table Text Block]

	June 30,			December 31,
	2016			2015
Principal amount	$	4,355,100		$	6,345,769
Amortized end of term charges		235,281			265,859
Unamortized debt issuance costs		(11,731	)		(187,894	)
Total convertible notes payable	$	4,578,650		$	6,423,734

Schedule of Maturities of Long-term Debt [Table Text Block]

	For the year ending June 30,
2017	$	4,355,100
2018 and thereafter		–
Total	$	4,355,100