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Commitments and Contingencies (Tables)

6 Months Ended

Jun. 30, 2021

Commitments And Contingencies Disclosure [Abstract]

Schedule of Operating Lease Expense Recognized and Supplemental Cash Flow

Operating lease expense and supplemental cash flow information related to operating leases for the three and six months ended June 30, 2020 and 2021 were as follows (in thousands):

		Three Months Ended June 30,								Six Months Ended June 30,
		2021				2020				2021				2020
Operating lease expense		$	178			$	138			$	353			$	313
Cash paid for operating leases			176				172				353				344
New operating lease assets obtained in exchange for    operating lease liabilities			23				—				23				—

Schedule of Aggregate Future Minimum Lease Payments

Aggregate future minimum lease payments at June 30, 2021 and December 31, 2020, under these noncancelable operating leases were as follows (in thousands):

		As of June 30,				As of December 31,
		2021				2020
2021		$	96			$	440
2022			85				66
2023			73				68
2024			29				29
Total future minimum lease payments		$	283				603
Less: imputed interest			(46	)			(74	)
Present value of future minimum lease payments		$	237				529
Less: current portion of operating lease liability			(112	)			(395	)
Operating lease liabilities - noncurrent		$	125			$	134

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- References

No definition available.

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- 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=121609121&loc=SL77918686-209980

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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/otherTransitionRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 20
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=121573735&loc=d3e41502-112717

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