Note 3 - Stock-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2017

Notes Tables

Share-based Compensation, Stock Options, Activity [Table Text Block]

				Weighted
				Average
				Exercise Price
	Shares			Per Option
Options outstanding, December 31, 2016		1,065,000		$	2.19
Granted to employees and non-employee directors		-
Exercised		(40,000	)		1.53
Canceled/expired/forfeited		(20,000	)		1.58
Options outstanding, June 30, 2017		1,005,000			2.09
Options exercisable, June 30, 2017		357,300			1.97