Financial Instruments (Tables)

9 Months Ended

Sep. 30, 2020

Financial Instruments [Abstract]

Summary Of Financial Instruments Measured At Fair Value

September 30, 2020	Level 1		Level 2		Level 3		Total
Cash equivalents:
Money market funds	$	11,483	$	--	$	--	$	11,483
Restricted securities:
Money market funds		513		--		--		513
Endospan loan		--		--		409		409
Total assets	$	11,996	$	--	$	409	$	12,405
Long-term liabilities:
Contingent consideration		--		--		(55,407)		(55,407)
Total liabilities	$	--	$	--	$	(55,407)	$	(55,407)

December 31, 2019	Level 1		Level 2		Level 3		Total
Cash equivalents:
Money market funds	$	1,472	$	--	$	--	$	1,472
Restricted securities:
Money market funds		528		--		--		528
Endospan loan		--		--		358		358
Total assets	$	2,000	$	--	$	358	$	2,358

Reconciliation Of Changes In Fair Value Of Level 3 Liabilities

		Endospan Loan			Contingent Consideration
Balance as of December 31, 2019	$	358	Balance as of December 31, 2019	$	--
Additional investment in Endospan		5,000	Discounted value at acquisition		(55,407)
Change in valuation		(4,949)	Change in valuation		--
Balance as of September 30, 2020	$	409	Balance as of September 30, 2020	$	(55,407)