Shareholders' Equity and Share-based Compensation (Tables)

9 Months Ended

Mar. 31, 2020

Share-based Payment Arrangement, Noncash Expense [Abstract]

Restricted Stock Units Activity

Time-based Restricted Stock Units ("TRSU")

The following table summarizes the Company's TRSU activities for the nine months ended March 31, 2020:

	Number of Restricted Stock Units		Weighted Average Grant Date Fair Value Per Share		Weighted Average Remaining Contractual Term (Years)	Aggregate Intrinsic Value
Nonvested at June 30, 2019	906,341		$	14.09	1.62	$	8,465,225
Granted	483,947		$	8.41
Vested	(416,415	)	$	13.60
Forfeited	(21,125	)	$	13.61
Nonvested at March 31, 2020	952,748		$	11.42	1.85	$	6,107,115

The following table summarizes the Company's PRSUs activities for the nine months ended March 31, 2020:

	Number of Performance-based Restricted Stock Units		Weighted Average Grant Date Fair Value Per Share		Weighted Average Remaining Contractual Term (Years)	Aggregate Intrinsic Value
Nonvested at June 30, 2019	596,724		$	13.95	1.88	$	5,573,402
Granted	155,000		$	7.36
Vested	(110,659	)	$	16.68
Forfeited	(80,354	)	$	11.69
Nonvested at March 31, 2020	560,711		$	11.92	1.89	$	3,594,158

Summary of Stock Option Activities

The following table summarizes the Company's stock option activities for the nine months ended March 31, 2020:

					Weighted
			Weighted		Average
			Average		Remaining
	Number of		Exercise Price		Contractual	Aggregate
	Shares		Per Share		Term (in years)	Intrinsic Value
Outstanding at June 30, 2019	876,478		$	10.98	3.06	$	758,871
Exercised	(2,500	)	$	10.50		$	4,726
Canceled or forfeited	(55,000	)	$	15.00
Outstanding at March 31, 2020	818,978		$	10.71	2.48	$	—
Options vested and expected to vest	818,978		$	10.71	2.48	$	—
Exercisable at March 31, 2020	818,978		$	10.71	2.48	$	—

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

The assumptions used to estimate the fair values of common shares issued under the ESPP were as follows:

	Nine Months Ended March 31,
	2020
Volatility rate	46.4%
Risk-free interest rate	1.6%
Expected term	1.3 years
Dividend yield	0%

Share-based Compensation, Allocation of Recognized Period Costs

Share-based Compensation Expense

The total share-based compensation expense recognized in the condensed consolidated statements of operations for the periods presented was as follows:

	Three Months Ended March 31,				Nine Months Ended March 31,
	2020		2019		2020		2019
	(in thousands)				(in thousands)
Cost of goods sold	$	357	$	494	$	1,197	$	1,532
Research and development	991		555		1,987		1,929
Selling, general and administrative	1,528		2,063		4,548		7,198
	$	2,876	$	3,112	$	7,732	$	10,659