Stockholders' Equity (Tables)

3 Months Ended

Sep. 30, 2021

Equity [Abstract]

Schedule of sales through equity offering program

Three months ended	Avg price per share		Number of Shares		Gross Proceeds (in millions)		Offering Expenses (in millions)		Net Proceeds (in millions)
September 30, 2021	$	9.99		555,455	$	5.5	$	0.1	$	5.4
Total				555,455	$	5.5	$	0.1	$	5.4

Schedule of Black-Scholes option pricing model with weighted average assumptions

	Three Months Ended September 30, 2021
Exercise price	$	9.18 –10.15
Expected term (years)		4.75 – 5.00
Volatility		67	%
Risk-free interest rate		0.76%–0.81	%
Dividend yield		0	%
Weighted Average Grant Date Fair Value of Options granted during the period	$	5.53

Schedule of stock-based compensation expense

	Three Months Ended September 30,
	2021		2020
Research and Development	$	1,232	$	1,014
General and Administrative		1,116		1,013
Total	$	2,348	$	2,027

Schedule of unrecognized stock-based compensation expense and weighted-average years

	As of September 30, 2021
	Unrecognized stock-based compensation		Weighted- average years to be recognized
Options	$	4,056		2.55
Restricted stock units	$	12,386		2.51