Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Cash flows from operating activities:
Net loss	$ (18,743)	$ (12,369)
Adjustments to reconcile net loss to cash flows from operating activities:
Amortization of intangible assets	366	542
Depreciation of property and equipment	126	59
Stock-based compensation expense	1,730	1,774
Change in fair value of derivative liability	2,325	0
Amortization of bond discount on marketable securities	0	(9)
Amortization of noncurrent portion of deferred revenue	0	(5,584)
Changes in current assets and liabilities:
Accounts receivable and other current assets	(175)	(131)
Accounts payable and accrued expenses	(1,632)	(424)
Deferred revenue	190	109
Deferred rent	(13)	(5)
Net cash used in operating activities	(15,826)	(16,038)
Cash flows from investing activities:
Purchases of marketable securities	0	(5,052)
Maturities of marketable securities	0	16,243
Acquisition of Icon Bioscience Inc., net of cash acquired	(15,072)	0
Purchases of property and equipment	(63)	(21)
Proceeds from sale of property and equipment	0	33
Net cash (used in) provided by investing activities	(15,135)	11,203
Cash flows from financing activities:
Proceeds from issuance of stock, net of issuance costs	16,310	2,305
Proceeds from issuance of long-term debt	15,000	0
Payment of debt issue costs	(905)	0
Exercise of stock options	0	99
Net cash provided by financing activities	30,405	2,404
Effect of foreign exchange rate changes on cash and cash equivalents	4	(11)
Net decrease in cash and cash equivalents	(552)	(2,442)
Cash and cash equivalents at beginning of period	16,898	15,313
Cash and cash equivalents at end of period	16,346	12,871
Supplemental disclosure of non-cash investing and financing activities:
Purchases of property and equipment	0	22
Accrued acquisition costs	1,737	0
Accrued development milestone	15,000	0
Stock issuance costs	143	152
Debt issue costs	307	0
Accrued term loan exit fee	900	0
Fair value of second tranche purchase liability	4,734	0
Fair value of warrants issued with debt	$ 360	$ 0