Note 10 - Share-based Compensation (Tables)

12 Months Ended

Jun. 30, 2017

Notes Tables

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]

	Fiscal Years Ended June 30,
	201 7			201 6
R isk-free interest rate		1.23	%		1.40	%
Dividend yield		—			—
Expected volatility		.67			.75
Expected life of options (years)		3.6			4.8
F air value of options granted	$	0.47		$	1.26

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

	Number of		Weighted Average Exercise Price		Weighted-Average Remaining Contractual		Aggregate Intrinsic Value
	Stock Options		Per Option		Term		($0000)
Balance at June 30, 201 5		3,364,117	$	5.58		7.9	$	—
Granted		1,636,667		2.17
Exercised		—		—
Forfeited or expired		(249,361)		12.77
Balance at June 30, 201 6		4,751,423		4.07		6.6	$	—
Granted		3,582,000		0.90
Exercised		—		—
Forfeited		(489,543)		2.33
E xpired		(277,238)		11.64
Balance at June 30, 2017		7,566,642	$	2.40		7.7	$	—

Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table Text Block]

			June 30, 201 7
			Outstanding						Exercisable
Exercise Prices			Number of Shares		Weighted Average Remaining Contractual Life		Weighted Average Exercise Price		Number of Shares		Weighted Average Exercise Price
					(In Years)
$0.49	—	$1.21		2,272,000		9.76	$	0.65		-	$	-
$1.30	—	$1.95		1,607,467		9.01		1.38		243,217		1.51
$2.02	—	$6.11		3,558,940		5.90		3.02		2,470,156		3.27
$6.65	—	$34.86		128,235		2.32		29.14		128,235		29.14
				7,566,642		7.66	$	2.40		2,841,608	$	4.28

Nonvested Restricted Stock Shares Activity [Table Text Block]

				Weighted-Average
				Grant Date
	Shares			Fair Value
Outstanding at June 30, 2015		8,750		$	3.93
Granted		—			—
Forfeited		—			—
Outstanding at June 30, 201 6		8,750			3.93
Granted		—			—
Released		(8,750	)		3.93
Forfeited		—			—
Outstanding at June 30, 201 7		—		$	—

Schedule of Nonvested Performance-based Units Activity [Table Text Block]

	Shares			Weighted Average Grant Date Fair Value
Outstanding at June 30, 201 5		96,581		$	3.23
Awarded		2,500			2.49
Released		(45,716	)		2.44
Forfeited		(6,334	)		2.41
Unvested at June 30, 2016		47,031			7.69
Awarded		—			—
Released		—			—
Forfeited		(47,031	)		7.69
Outstanding at June 30, 2017		—		$	—