Note 10 - Note Payable (Tables)

3 Months Ended

Mar. 31, 2016

Notes Tables

Convertible Debt [Table Text Block]

	March 31,			December 31,
	2016			2015
Principal amount	$	5,363,798		$	6,345,769
Amortized end of term charges		290,257			265,859
Unamortized debt issuance costs		(133,622	)		(187,894	)
Total convertible notes payable	$	5,520,433		$	6,423,734

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

	For the year ending March 31,
2017	$	4,219,950
2018		1,143,848
2019 and thereafter		–
Total	$	5,363,798