Condensed Consolidated Statements of Shareholders' Equity - USD ($) $ in Thousands	Total	Common Stock	Accumulated Deficit
Balance (in shares) at Jun. 30, 2018		59,998,811
Balance at Jun. 30, 2018	$ 142,688	$ 375,436	$ (232,748)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock based compensation (in shares)		13,344
Stock based compensation	370	$ 370
Net loss	(5,288)		(5,288)
Balance (in shares) at Sep. 30, 2018		60,012,155
Balance at Sep. 30, 2018	137,970	$ 375,806	(237,836)
Balance (in shares) at Jun. 30, 2018		59,998,811
Balance at Jun. 30, 2018	142,688	$ 375,436	(232,748)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(15,726)
Balance at Dec. 31, 2018	128,089
Balance (in shares) at Jun. 30, 2018		59,998,811
Balance at Jun. 30, 2018	142,688	$ 375,436	(232,748)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(20,032)
Balance at Mar. 31, 2019	124,120
Balance (in shares) at Jun. 30, 2018		59,998,811
Balance at Jun. 30, 2018	142,688	$ 375,436	(232,748)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(29,882)
Balance (in shares) at Jun. 30, 2019		60,008,481
Balance at Jun. 30, 2019	114,423	$ 376,853	(262,430)
Balance (in shares) at Sep. 30, 2018		60,012,155
Balance at Sep. 30, 2018	137,970	$ 375,806	(237,836)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(10,438)
Balance at Dec. 31, 2018	128,089
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(4,306)
Balance at Mar. 31, 2019	124,120
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(9,850)
Balance (in shares) at Jun. 30, 2019		60,008,481
Balance at Jun. 30, 2019	114,423	$ 376,853	(262,430)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock based compensation	290	$ 290
Net loss	(11,508)		(11,508)
Balance (in shares) at Sep. 30, 2019		60,008,481
Balance at Sep. 30, 2019	$ 103,205	$ 377,143	$ (273,938)