Financial Commitments & Contingencies and Key License Agreements (Tables)

3 Months Ended

Mar. 31, 2019

Commitments and Contingencies Disclosure [Abstract]

Assets And Liabilities, Leases

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

	March 31, 2019		December 31, 2018
Office and research facilities	$	3,287	$	—
Office equipment	487		—
Facility and equipment under lease (Note 9(a))	$	3,774	$	—

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 at March 31, 2019
Operating lease right-of-use assets - non-current	Facility and equipment under lease	$	3,774
Operating lease liabilities - current	Accounts payable and other accrued liabilities	$	808
Operating lease liabilities - non-current	Other long-term liabilities	3,114
Total operating lease liabilities		$	3,922

* As of March 31, 2019, we have no “finance leases” as defined in Topic 842.

Lease, Cost

Total lease expense, included within “total operating costs and expenses” for the three months ended March 31, 2019, was as follows:

	Three Months Ended March 31, 2019
Operating lease cost	$	459
Variable lease cost	108
Short-term lease cost	15
Total lease cost*	$	583

* As of March 31, 2019, we have no “sublease income” as defined in Topic 842.

Weighted Average Remaining Lease Term and Discount Rate

	Weighted Average Remaining Lease Term	Weighted Average Discount Rate
Operating leases as of March 31, 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) implied interest (from the application of our incremental borrowing rate), and (iii) present value of future lease payments:

Operating Leases - future payments	March 31, 2019
2019 (remaining)	$	1,015
2020	1,252
2021	1,303
2022	828
2023	87
Total future lease payments, undiscounted	$	4,485
Less: Implied interest	(563		)
Present value of operating lease payments	$	3,922

Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]

The below table summarizes our future minimum lease payments under our operating leases as of December 31, 2018:

Year ended December 31, 2018	Operating Lease Minimum Payments
2019	1,486
2020	1,441
2021	1,465
2022	828
2023 and thereafter	87
	$	5,308