XML 27 R17.htm IDEA: XBRL DOCUMENT v3.21.2

Stock Incentive Plans

9 Months Ended

Sep. 30, 2021

Stock Incentive Plans

Stock Incentive Plans

9.     Stock Incentive Plans

A summary of the Company’s stock option activity and related information follows:

​

​	​	​	​	​	​	​	​	​	​	​
​	​	​	​	​		​	Weighted	​	​	​
​	​	​	​	​		​	Average	​	​	​
​	​	​	​	Weighted-		​	Remaining	​	Aggregate
​	​	​	​	Average		​	Contractual	​	Intrinsic Value
​		Shares		Exercise Price			Term (years)		(in thousands)
Outstanding at December 31, 2020		227,846	​	$	68.25		8.13	​	$	—
Granted		1,113,982	​	$	16.21	​	​	​	​	​
Assumed in Quellis Acquisition	​	55,414	​	$	1.73	​	​	​	​	​
Exercised	​	(2,992)	​	$	2.10	​	​	​	​	​
Cancelled or forfeited		(58,344)	​	$	62.08	​	​	​	​	​
Expired	​	(1,507)	​	$	100.85	​	​	​	​	​
Outstanding at September 30, 2021	​	1,334,399	​	$	22.43	​	9.25	​	$	374
Vested and exercisable at September 30, 2021		127,064	​	$	74.71	​	7.38	​	$	178

​

The total intrinsic value of options exercised in the three and nine months ended September 30, 2021 was $38 thousand. There were no options exercised in the three or nine months ended September 30, 2020. The total grant date fair value of options vested for the three months ended September 30, 2021 and 2020 was $0.3 million. The total grant date fair value of options vested for the nine months ended September 30, 2021 and 2020 was $1.3 million and $1.0 million, respectively. The weighted-average grant date fair value of options

granted to employees and non-employees for the three months ended September 30, 2021 and 2020 was $6.20 and $29.10, respectively. The weighted-average grant date fair value of options granted to employees and non-employees for the nine months ended September 30, 2021 and 2020 was $10.15 and $22.32, respectively.

At September 30, 2021, the total unrecognized compensation expense related to unvested stock option awards was $11.8 million. The Company expects to recognize that cost over a weighted-average period of approximately 3.1 years.

X

- Definition

The entire disclosure for share-based payment arrangement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-URI http://asc.fasb.org/topic&trid=2228938

+ Details

Name:	us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration