Stock-Based Compensation Plans (Tables)

12 Months Ended

Jun. 30, 2017

Equity [Abstract]

Schedule of Share-based compensation plan

At June 30, 2017, the Company had outstanding equity-linked grants under eight stock-based compensation plans (the “Plans”), as follows:

											Available
	Initial						Expired /				For
Plan	Shares		Granted		Exercised		Forfeited		Outstanding		Issuance
2001 Employee Stock Option Plan		1,000,000		1,251,261		376,368		868,955		5,938		—
2005 Employee Equity Incentive Plan		500,000		547,125		484,250		48,925		13,950		—
2005 Non Employee Director Stock Option Plan		200,000		195,000		97,500		7,500		90,000		—
2009 Employee Equity Incentive Plan		500,000		619,925		357,227		123,100		139,598		3,175
2009 Non Employee Director Stock Option Plan		200,000		195,000		48,750		33,750		112,500		38,750
2012 Employee Equity Incentive Plan		500,000		664,000		111,250		188,250		364,500		24,250
2012 Non Employee Director Stock Option Plan		200,000		180,000		—		41,250		138,750		61,250
2014 Employee Equity Incentive Plan		750,000		480,000		—		154,000		326,000		24,000
2017 Equity Incentive Plan		750,000		—		—		—		—		750,000
Total										1,191,236		901,425

Schedule of weighted average fair value at date of grant for options

The weighted average fair value at date of grant for options granted during the fiscal years ended June 30, 2017, 2016 and 2015 was $4.46, $4.68 and $5.70 per share, respectively. The fair value was estimated based on the weighted average assumptions of:

	For twelve months ended June 30,
	2017			2016			2015
Risk-free interest rates		1.80	%		1.71	%		1.60	%
Expected option life in years		6.25			6.25			6.50
Expected stock price volatility		54.68	%		55.41	%		61.13	%
Expected dividend yield		0	%		0	%		0	%

Schedule of summary of option activity

A summary of option activity under the Plans as of June 30, 2017, 2016 and 2015, and changes during the years ending on those dates is presented below:

	Options
				Weighted
				Average		Aggregate
	Outstanding			Exercise		Intrinsic
	Shares			Price		Value
Outstanding as of June 30, 2014		1,663,329			3.88	$	4,879,106
Vested and exercisable at June 30, 2014		967,056			3.81	$	2,937,802
Granted		549,000			10.11
Exercised		(579,463	)		4.11
Forfeited		(47,250	)		7.70
Expired		(28,000	)		8.00
Outstanding as of June 30, 2015		1,557,616			5.80	$	6,553,821
Vested and exercisable at June 30, 2015		620,256			3.19	$	3,911,604
Granted		320,000			8.80
Exercised		(82,737	)		4.60
Forfeited		(4,375	)		9.23
Expired		(280	)		5.82
Outstanding as of June 30, 2016		1,790,224		$	6.38	$	1,675,072
Vested and exercisable at June 30, 2016		813,349		$	3.82	$	1,501,208
Granted		327,500			8.34
Exercised		(527,663	)		3.30
Forfeited		(383,625	)		8.23
Expired		(15,200	)		8.51
Outstanding as of June 30, 2017		1,191,236		$	7.66	$	2,748,956
Vested and exercisable at June 30, 2017		517,361		$	6.33	$	1,923,794

Schedule of stock options outstanding and exercisable

The following table summarizes information about stock options outstanding and exercisable at June 30, 2017:

	Options Outstanding				Options Exercisable
		Weighted
		Average	Weighted				Weighted
Range of		Contractual	Average				Average
Exercise		Life	Exercise				Exercise
Prices	Number	(Yrs.)	Price			Number	Price
$0.85-$6.74	352,236	4.1	$	4.09		313,861	$	3.98
$6.75-$8.53	341,750	8.3	$	7.23		85,000	$	7.57
$8.54-13.89	497,250	8.4	$	10.49		118,500	$	11.65
	1,191,236	7.1	$	7.66		517,361	$	6.33