Financial Commitments & Contingencies and Key License Agreements (Tables)

6 Months Ended

Jun. 30, 2019

Commitments and Contingencies Disclosure [Abstract]

Assets And Liabilities, Leases

“Facility and equipment under lease” consists of the following:

	June 30, 2019		December 31, 2018
Office and research facilities	$	3,379	$	—
Office equipment	463		—
Facility and equipment under lease (Note 9(a))	$	3,842	$	—

The below table summarizes these lease asset and liability accounts presented on our accompanying Condensed Consolidated Balance Sheets:

Operating Leases*	Condensed Consolidated Balance Sheet Caption	Balance as of June 30, 2019
Operating lease right-of-use assets - non-current	Facility and equipment under lease	$	3,842
Operating lease liabilities - current	Accounts payable and other accrued liabilities	$	642
Operating lease liabilities - non-current	Other long-term liabilities	3,429
Total operating lease liabilities		$	4,071

* As of June 30, 2019, we have no “finance leases” as defined in Topic 842.

Lease, Cost

The components

of our aggregate lease expense is summarized below:

	Three Months Ended June 30, 2019		Six Months Ended June 30, 2019
Operating lease cost	$	459	$	851
Variable lease cost	108		215
Short-term lease cost	15		39
Total lease cost	$	582	$	1,105

Weighted Average Remaining Lease Term and Applied Discount Rate

	Weighted Average Remaining Lease Term	Weighted Average Discount Rate
Operating leases as of June 30, 2019	3 years	7.8	%

Lessee, Operating Lease, Liability, Maturity

The below table summarizes our (i) minimum lease payments over the next five years, (ii) lease arrangement implied interest, and (iii) present value of future lease payments:

Operating Leases - future payments	June 30, 2019
2019 (remaining)	$	775
2020	1,442
2021	1,465
2022	828
2023	87
Total future lease payments, undiscounted	$	4,597
Less: Implied interest	(526		)
Present value of operating lease payments	$	4,071

Schedule of Future Minimum Rental Payments for Operating Leases

The below is required tabular disclosure for comparative purposes with our current period-end balance sheet date above:

Operating Leases - future payments	December 31, 2018
2019	1,486
2020	1,441
2021	1,465
2022	828
2023 and thereafter	87
	$	5,308