Earnings Per Share (Reconciliation of Numerators and Denominators) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2018
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Common stock, shares outstanding	39,675,865				34,934,569				39,675,865	34,934,569
Numerator
Net (loss) income	$ (15,166)	$ (2,889)	$ (3,401)	$ (5,780)	$ 1,469	$ 672	$ 492	$ (2,888)	$ (27,236)	$ (255)	$ 1,712
Undistributed Earnings (Loss) Allocated to Participating Securities, Basic									0	0	(19)
Undistributed Earnings (Loss) Available to Common Shareholders, Basic									$ (27,236)	$ (255)	$ 1,693
Denominator
Weighted average common shares - basic (in shares)									34,275,957	33,535,759	33,145,140
Weighted average common shares outstanding - diluted (in shares)									34,275,957	33,535,759	33,614,260
Earnings per common share — basic	$ (0.43)	$ (0.08)	$ (0.10)	$ (0.17)	$ 0.04	$ 0.02	$ 0.01	$ (0.09)	$ (0.79)	$ (0.01)	$ 0.05
Earnings per common share — diluted	$ (0.43)	$ (0.08)	$ (0.10)	$ (0.17)	$ 0.04	$ 0.02	$ 0.01	$ (0.09)	$ (0.79)	$ (0.01)	$ 0.05
Stock Options
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Common stock, shares outstanding											22,321
Denominator
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements									0	0	15,039
Employee Stock Purchase Plan
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Common stock, shares outstanding	247,197				354,176				247,197	354,176	335,869
Denominator
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements									0	0	335,869
Performance Shares
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Common stock, shares outstanding	660,622				753,872				660,622	753,872	531,178
Denominator
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements									0	0	118,212