Note 9 - Share-based Compensation (Tables)

3 Months Ended

Sep. 30, 2018

Notes Tables

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

Employees Information	Number of Options			Weighted Average Exercise Price		Weighted Average Remaining Contractual Life (Years)
Outstanding June 30, 2018		265,346		$	7.08		6.55
Granted		-			-		-
Expired/Forfeited		(29,167	)		3.39		-
Outstanding September 30, 2018		236,179			7.54		6.13
Exercisable September 30, 2018		139,751		$	11.81		4.21

					Weighted
			Weighted		Average
			Average		Remaining		Aggregate
	Number of		Exercise		Contractual		Intrinsic
Non-Executive Director Information	Options		Price		Life (Years)		Value
Outstanding June 30, 2018		545,059	$	3.08		7.75	$	-
Granted		5,001		0.67		9.93		300
Expired/forfeited		-		-		-
Outstanding and exercisable September 30, 2018		550,060	$	3.04		7.54	$	300

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

	Number of RSUs			Weighted Average Grant Date Fair Value
Outstanding June 30, 2018		752,391		$	1.31
Granted		-			-
Expired/Forfeited		(37,000	)		1.19
Outstanding September 30, 2018		715,391		$	1.32