Note 13 - Earn-out Milestone Liability (Tables)

6 Months Ended

Jun. 30, 2016

Notes Tables

Schedule of Changes in Earn out Milestone Liabilities [Table Text Block]

Balance at January 1, 2016	$	13,921,412
Non-cash charge from the adjustment for the change in fair value included in net loss		(106,028	)
Balance at June 30, 2016	$	13,815,384

Schedule of Milestone Risk Adjustment Assessment [Table Text Block]

Date	Risk-adjustment Assessment of each Milestone			Discount Rate			Estimated Time to Achieve (years)
June 30, 2016	10%	to	75%		9	%	0.50	to	2.00
March 31, 2016	10%	to	75%		9	%	0.25	to	2.25
December 31, 2015	10%	to	75%		9	%	0.50	to	2.50
June 30, 2015	10%	to	75%		9	%	0.92	to	3.00
March 31, 2015	10%	to	67%		9	%	1.17	to	6.26
December 31, 2014	10%	to	75%		9	%	1.25	to	6.50