Earnings Per Share (Reconciliation of Numerators and Denominators) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016
Numerator
Net income (loss)	$ 3,737	$ 365	$ (413)	$ (1,977)	$ 772	$ (1,749)	$ 1,043	$ (1,858)	$ 1,712	$ (1,792)	$ (56,024)
Undistributed Earnings (Loss) Allocated to Participating Securities, Basic									(19)	0	0
Undistributed Earnings (Loss) Available to Common Shareholders, Basic									$ 1,693	$ (1,792)	$ (56,024)
Denominator
Weighted average common shares - basic (in shares)									33,145,140	32,373,709	32,537,621
Weighted average common shares outstanding - diluted (in shares)									33,614,260	32,373,709	32,537,621
Earnings per common share — basic	$ 0.11	$ 0.01	$ (0.01)	$ (0.06)	$ 0.02	$ (0.05)	$ 0.03	$ (0.06)	$ 0.05	$ (0.06)	$ (1.72)
Earnings per common share — diluted	$ 0.11	$ 0.01	$ (0.01)	$ (0.06)	$ 0.02	$ (0.05)	$ 0.03	$ (0.06)	$ 0.05	$ (0.06)	$ (1.72)
Stock Options
Denominator
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements									15,039	0	0
Restricted Stock Units
Denominator
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements									335,869	0	0
Performance Shares
Denominator
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements									118,212	0	0