Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2020	Mar. 31, 2019
Current assets:
Cash and cash equivalents	$ 80,752	$ 106,999
Prepaid expenses and other current assets	2,971	5,859
Income tax receivable	1,707	1,726
Total current assets	85,430	114,584
Long-term investment	5,871	5,871
Other non-current assets	46	973
Operating lease right-of-use assets	1,532
Property and equipment, net	801	1,278
Total assets	93,680	122,706
Current liabilities:
Accounts payable	4,412	1,698
Accrued expenses	11,319	20,619
Current portion of operating lease liabilities	889
Current portion of long-term debt	15,423	21,182
Total current liabilities	32,043	43,499
Operating lease liabilities, net of current portion	79
Long-term debt	0	22,994
Total liabilities	32,122	66,493
Commitments and contingencies (Note 12)
Shareholders’ equity:
Common shares, par value $0.00001 per share, 1,000,000,000 shares authorized, 39,526,299 and 22,779,891 issued and outstanding at March 31, 2020 and March 31, 2019, respectively	0	0
Accumulated other comprehensive (loss) income	(55)	911
Additional paid-in capital	820,257	741,318
Accumulated deficit	(758,644)	(686,016)
Total shareholders’ equity	61,558	56,213
Total liabilities and shareholders’ equity	$ 93,680	$ 122,706