Consolidated Statements of Shareholders' Equity - USD ($) $ in Thousands		Total	Common Stock	Accumulated Deficit
Beginning balance (in shares) at Jun. 30, 2016			37,783,444
Beginning balance at Jun. 30, 2016		$ 19,328	$ 233,394	$ (214,066)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss		(3,370)
Ending balance at Sep. 30, 2016		27,560
Beginning balance (in shares) at Jun. 30, 2016			37,783,444
Beginning balance at Jun. 30, 2016		19,328	$ 233,394	(214,066)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss		(3,602)
Ending balance at Dec. 31, 2016		27,562
Beginning balance (in shares) at Jun. 30, 2016			37,783,444
Beginning balance at Jun. 30, 2016		19,328	$ 233,394	(214,066)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss		(4,527)
Ending balance at Mar. 31, 2017		26,870
Beginning balance (in shares) at Jun. 30, 2016			37,783,444
Beginning balance at Jun. 30, 2016		19,328	$ 233,394	(214,066)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Fair value of exercised warrant liability		5,229	$ 5,229
Exercise of warrants (in shares)			2,401,408
Exercise of warrants		6,193	$ 6,193
Stock based compensation (in shares)			153,326
Stock based compensation		1,214	$ 1,214
Retirement of common stock (in shares)			(6,533)
Retirement of common stock		(31)	$ (31)
Net loss		(7,465)		(7,465)
Ending balance (in shares) at Jun. 30, 2017			40,331,645
Ending balance at Jun. 30, 2017		24,468	$ 245,999	(221,531)
Beginning balance (in shares) at Jun. 30, 2016			37,783,444
Beginning balance at Jun. 30, 2016		19,328	$ 233,394	(214,066)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss		(50,800)
Ending balance (in shares) at Jun. 30, 2019			60,008,481
Ending balance at Jun. 30, 2019		112,453	$ 376,853	(264,400)
Beginning balance at Sep. 30, 2016		27,560
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss		(232)
Ending balance at Dec. 31, 2016		27,562
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss		(925)
Ending balance at Mar. 31, 2017		26,870
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss		(2,938)
Ending balance (in shares) at Jun. 30, 2017			40,331,645
Ending balance at Jun. 30, 2017		24,468	$ 245,999	(221,531)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss		(2,171)
Ending balance at Sep. 30, 2017		62,661
Beginning balance (in shares) at Jun. 30, 2017			40,331,645
Beginning balance at Jun. 30, 2017		24,468	$ 245,999	(221,531)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss		(6,365)
Ending balance at Dec. 31, 2017		82,321
Beginning balance (in shares) at Jun. 30, 2017			40,331,645
Beginning balance at Jun. 30, 2017		24,468	$ 245,999	(221,531)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss		(9,588)
Ending balance at Mar. 31, 2018		79,470
Beginning balance (in shares) at Jun. 30, 2017			40,331,645
Beginning balance at Jun. 30, 2017		24,468	$ 245,999	(221,531)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock in relation to public offering (in shares)	[1]		15,913,781
Issuance of common stock in relation to public offering, net of offering costs incurred	[1]	104,796	$ 104,796
Issuance of common stock as merger consideration (as restated) (in shares)	[2]		3,423,367
Issuance of common stock as merger consideration (as restated)	[2]	23,279	$ 23,279
Stock based compensation (in shares)			374,823
Stock based compensation		1,935	$ 1,935
Excess tax benefit from stock plans	[3]	67		67
Retirement of common stock (in shares)	[4]		(44,805)
Retirement of common stock	[4]	(573)	$ (573)
Net loss		(11,284)		(11,284)
Ending balance (in shares) at Jun. 30, 2018			59,998,811
Ending balance at Jun. 30, 2018		142,688	$ 375,436	(232,748)
Beginning balance at Sep. 30, 2017		62,661
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss		(4,194)
Ending balance at Dec. 31, 2017		82,321
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss		(3,223)
Ending balance at Mar. 31, 2018		79,470
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss		(1,696)
Ending balance (in shares) at Jun. 30, 2018			59,998,811
Ending balance at Jun. 30, 2018		142,688	$ 375,436	(232,748)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock based compensation (in shares)			20,627
Stock based compensation		1,618	$ 1,618
Repurchase of stock option awards		120	$ 120
Retirement of common stock (in shares)			(10,957)
Retirement of common stock		(81)	$ (81)
Net loss		(32,028)		(32,028)
Ending balance (in shares) at Jun. 30, 2019			60,008,481
Ending balance at Jun. 30, 2019		$ 112,453	$ 376,853	$ (264,400)

[1] Refer to Note 14 regarding the public offering issued during July 2017 and May 2018.

[2] Refer to Note 4 regarding the business acquisition executed during November 2017.

[3] Refer to Note 3 regarding the adoption of ASU 2016-09.

[4] Includes 3,577 shares previously held in escrow in relation to the Cantaloupe acquisition.