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Shareholders' Equity (Narrative) (Details) - USD ($)	Dec. 01, 2017	Dec. 31, 2018	Dec. 31, 2017
ASU 2016-09 [Member]
Equity, Class of Treasury Stock [Line Items]
Cumulative-effect adjustment			$ 141,000
ASU 606 [Member]
Equity, Class of Treasury Stock [Line Items]
Cumulative-effect adjustment		$ 215,000
Retained Earnings [Member] | ASU 2016-09 [Member]
Equity, Class of Treasury Stock [Line Items]
Cumulative-effect adjustment		(238,000)	(238,000)
Retained Earnings [Member] | ASU 606 [Member]
Equity, Class of Treasury Stock [Line Items]
Cumulative-effect adjustment		215,000
Additional Paid In Capital [Member] | ASU 2016-09 [Member]
Equity, Class of Treasury Stock [Line Items]
Cumulative-effect adjustment		379,000	$ 379,000
Additional Paid In Capital [Member] | ASU 606 [Member]
Equity, Class of Treasury Stock [Line Items]
Cumulative-effect adjustment
Deferred Tax Assets [Member] | ASU 2016-09 [Member]
Equity, Class of Treasury Stock [Line Items]
Cumulative-effect adjustment		$ 141,000
Common Stock [Member] | JOTEC [Member]
Equity, Class of Treasury Stock [Line Items]
Common shares issued	2,682,754
Common stock consideration	$ 53,100,000

X

- Definition

Number of shares of equity interests issued or issuable to acquire entity.

+ References

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-Topic 805
-SubTopic 30
-Section 50
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