Consolidated Statement of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Cash flows from operating activities:
Net loss	$ (72,628)	$ (129,065)
Adjustments to reconcile net loss to net cash used in operating activities:
Loss on disposal of fixed assets	19	148
Unrealized foreign currency translation adjustment	(966)	785
Amortization of operating lease right-of-use assets	1,617
Share-based compensation expense	7,895	16,429
Depreciation and non-cash amortization	1,477	2,450
Non-cash gain on long-term investment	0	(5,871)
Change in operating lease liabilities	(1,582)	0
Changes in operating assets and liabilities:
Prepaid expenses and other current assets	2,917	(3,685)
Other non-current assets	340	(973)
Income tax receivable	19	25
Accounts payable	2,710	(2,251)
Due to/from Roivant Sciences Ltd. and certain of its wholly owned subsidiaries	(25)	(956)
Accrued expenses	(9,266)	(11,243)
Net cash used in operating activities	(67,473)	(134,207)
Cash flows from investing activities:
Purchases of property and equipment	(255)	(202)
Net cash used in investing activities	(255)	(202)
Cash flows from financing activities:
Capital contribution received from Roivant Sciences, Inc.	148	1,894
Payments on long-term debt	(29,563)	(9,707)
Cash proceeds from stock option exercises	86	335
Cash proceeds from issuance of common shares and pre-funded warrants, net of issuance costs	70,810	94,549
Net cash provided by financing activities	41,481	87,071
Net change in cash and cash equivalents	(26,247)	(47,338)
Cash and cash equivalents—beginning of year	106,999	154,337
Cash and cash equivalents—end of year	80,752	106,999
Non-cash operating activities:
Operating lease right-of-use assets recognized upon and since the adoption of ASC 842, Leases, on April 1, 2019	3,103
Operating lease liabilities recognized upon and since the adoption of ASC 842, Leases, on April 1, 2019	2,517
Amounts reclassified from other non-current assets to operating lease right-of-use assets upon the adoption of ASC 842, Leases, on April 1, 2019	586
Supplemental disclosure of cash paid:
Income taxes	562	71
Interest	$ 4,012	$ 6,376