Other Financial Statement Details (Tables)

12 Months Ended

Dec. 31, 2019

Other Financial Statement Details Disclosure [Abstract]

Schedule of Property and Equipment

Property and equipment are summarized in the following table (in thousands).

	December 31, 2019			December 31, 2018
Computer hardware	$	52		$	67
Computer software		—			2
Furniture and fixtures		1			23
Leasehold improvements		—			13
		53			105
Less accumulated depreciation and amortization		(31	)		(93	)
Total	$	22		$	12

Schedule of Intangible Assets

Intangible assets consist of the following (in thousands).

	December 31, 2019							December 31, 2018
	Amount		Accumulated Amortization			Net Amount		Amount		Accumulated Amortization			Net Amount
Patents and merger costs	$	22,003	$	(5,478	)	$	16,525	$	22,003	$	(3,534	)	$	18,469
Total	$	22,003	$	(5,478	)	$	16,525	$	22,003	$	(3,534	)	$	18,469

Schedule of Future Amortization Expense

Future amortization expense for intangible assets over their remaining useful lives is as follows (in thousands).

Year ending December 31	Patents and trademarks
2020	$	1,944
2021		1,944
2022		1,944
2023		1,944
2024		1,944
2025 and thereafter		6,805
Total	$	16,525