Consolidated Statements of Shareholders' Equity (Unaudited) - 6 months ended Dec. 31, 2017 - USD ($) $ in Thousands	Series A Convertible Preferred stock	Common Stock	Accumulated Deficit	Total
Balance at Jun. 30, 2017	$ 3,138	$ 245,999	$ (183,359)	$ 65,778
Balance (in shares) at Jun. 30, 2017	445,063	40,331,645
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock in relation to public offering, net of offering costs incurred of $3,237		$ 39,888		39,888
Issuance of common stock in relation to public offering, net of offering costs incurred of $3,237 (in shares)		9,583,332
Issuance of common stock as merger consideration		$ 19,810		19,810
Issuance of common stock as merger consideration (in shares)		3,423,367
Stock based compensation		$ 1,356		1,356
Stock based compensation (in shares)		281,554
Excess tax benefit from stock plans			67	67
Net loss			(12,729)	(12,729)
Balance at Dec. 31, 2017	$ 3,138	$ 307,053	$ (196,021)	$ 114,170
Balance (in shares) at Dec. 31, 2017	445,063	53,619,898