Note 14 - Warrants (Tables)

3 Months Ended

Mar. 31, 2016

Notes Tables

Schedule of Warrant Activity [Table Text Block]

Warrants	Number of Warrants Issued		Weighted Average Exercise Price
Warrants outstanding at December 31, 2015		5,894,675	$	6.37
Warrants issued during the three months ended March 31, 2016		–
Warrants expired during the three months ended March 31, 2016		–
Warrants outstanding at March 31, 2016		5,894,675	$	6.37
Aggregate intrinsic value of outstanding warrants at March 31, 2016		–
Weighted average remaining contractual terms at March 31, 2016 (years)		2.6