Summary Of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2019

Summary Of Significant Accounting Policies [Abstract]

Schedule Of Supplemental Disclosures Of Cash Flow Information

	2019		2018		2017
Cash paid during the year for:
Interest	$	13,297	$	15,005	$	2,561
Income taxes		1,944		1,699		3,358
Non-cash investing and financing activities:
Issuance of common stock for acquisition of JOTEC intangible assets	$	--	$	--	$	53,119

Schedule Of Depreciation Expense

	2019		2018		2017
Depreciation expense	$	7,467	$	7,303	$	4,648