Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2022	Mar. 31, 2021
Current assets:
Cash and cash equivalents	$ 63,729	$ 118,986
Restricted cash	1,184	0
Receivable from sale of long-term investment	0	4,343
Prepaid expenses and other current assets	5,214	7,348
Income tax receivable	1,609	1,656
Total current assets	71,736	132,333
Long-term restricted cash	0	1,184
Operating lease right-of-use assets	2,444	1,152
Property and equipment, net	900	478
Total assets	75,080	135,147
Current liabilities:
Accounts payable	3,984	1,341
Accrued expenses	8,232	9,196
Current portion of operating lease liabilities	786	311
Total current liabilities	13,002	10,848
Operating lease liabilities, net of current portion	1,730	932
Total liabilities	14,732	11,780
Commitments and contingencies
Stockholders’ equity:
Common stock, par value $0.00001 per share, 1,000,000,000 shares authorized, 73,739,378 and 69,377,567 shares issued and outstanding at March 31, 2022 and March 31, 2021, respectively	1	1
Accumulated other comprehensive income	337	335
Additional paid-in capital	922,966	914,100
Accumulated deficit	(862,956)	(791,069)
Total stockholders’ equity	60,348	123,367
Total liabilities and stockholders’ equity	$ 75,080	$ 135,147