Note 7 - Equity (Tables)

12 Months Ended

Dec. 31, 2018

Notes Tables

Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block]

	Shares			Weighted Average Grant Date Fair Value
Outstanding at December 31, 2017		471,017		$	5.87
Granted		528,683			8.03
Vested		(27,984	)		8.04
Forfeited		(5,582	)		6.27
Outstanding at December 31, 2018		966,134		$	6.99