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Leases (Tables)

3 Months Ended

Mar. 31, 2019

Leases [Abstract]

Schedule of Components of Lease Expense

The components of lease expense for the three months ended March 31, 2019 were as follows:

Lease Cost		For the three months ended March 31, 2019
Fixed operating lease cost		$	187
Short-term lease costs			8
Total lease expense		$	195
Other information
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases		$	201
Leased assets obtained in exchange for new operating lease liabilities (1)		$	781
Weighted-average remaining lease term—operating leases			3.9 years
Weighted-average discount rate—operating leases			9.0	%

(1) Acquired in Merger with Arsanis

Schedule of Maturities of Lease Liabilities

Maturities of lease liabilities due under these lease agreements as of March 31, 2019 are as follows:

Maturity of lease liabilities		Operating Leases
2019 (remainder of 2019)		$	837
2020			1,281
2021			1,304
2022			970
2023			489
Thereafter			—
Total lease payments			4,880
Less: interest			(764	)
Total operating lease liabilities as of March 31, 2019		$	4,116

Summary of Future Minimum Lease Payments Due under Operating Leases

The Company adopted ASU 2016-02 on January 1, 2019 as noted above, and as required, the following disclosure is provided for periods prior to adoption. Future annual minimum lease payments due under the Company’s operating leases as of December 31, 2018 were as follows:

Year Ending December 31,		Operating Leases
2019		$	810
2020			823
2021			835
2022			492
Total		$	2,960

X

- Definition

Tabular disclosure of lessee's lease cost. Includes, but is not limited to, interest expense for finance lease, amortization of right-of-use asset for finance lease, operating lease cost, short-term lease cost, variable lease cost and sublease income.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980

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- References

No definition available.

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X

- Definition

Tabular disclosure of undiscounted cash flows of lessee's operating lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to operating lease liability recognized in statement of financial position.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918701-209980

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- Definition

Tabular disclosure of future minimum payments required in the aggregate and for each of the five succeeding fiscal years for operating leases having initial or remaining noncancelable lease terms in excess of one year and the total minimum rentals to be received in the future under noncancelable subleases as of the balance sheet date.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 20
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=77902758&loc=d3e41502-112717

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