Aggregate principal amount, the combination of the term loan and revolving credit facility.

No definition available.

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- Definition

Debt instrument, debt default, interest rate in addition if there is a default.

+ References

No definition available.

+ Details

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- Definition

Line of credit facility, liquidity requirement after giving effect to stock repurchase.

+ References

No definition available.

+ Details

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

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- Definition

Amount of long-term debt before deduction of unamortized discount or premium. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, with initial maturities beyond one year or the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 20
-Article 5

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 03
-Paragraph 16
-Article 9

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Period Type:	instant

- Definition

Amount of the cost of borrowed funds accounted for as interest expense.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6450988&loc=d3e26243-108391

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 225
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-04.9)
-URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882

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Balance Type:	debit
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- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.16)
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.16)
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 19, 20, 22
-Article 5

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

+ References

No definition available.

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Date the credit facility terminates, in CCYY-MM-DD format.

+ References

+ Details

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Balance Type:	na
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- Definition

The effective interest rate at the end of the reporting period.

+ References

+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

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Period Type:	instant

- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

+ Details

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- Definition

The current cash, cash equivalents and investments that are restricted as to withdrawal or usage. Restrictions may include legally restricted deposits held as compensating balances against short-term borrowing arrangements, contracts entered into with others, or entity statements of intention with regard to particular deposits; however, time deposits and short-term certificates of deposit are not generally included in legally restricted deposits. Excludes compensating balance arrangements that are not agreements which legally restrict the use of cash amounts shown on the balance sheet. Includes current cash equivalents and investments that are similarly restricted as to withdrawal, usage or disposal.

+ References

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- Definition

The noncurrent cash, cash equivalents and investments that is restricted as to withdrawal or usage. Restrictions may include legally restricted deposits held as compensating balances against borrowing arrangements, contracts entered into with others, or entity statements of intention with regard to particular deposits classified as long-term; that is not expected to be released from such existing restrictions within one year of the balance sheet date or operating cycle, whichever is longer. Excludes compensating balance arrangements that are not agreements which legally restrict the use of cash amounts shown on the balance sheet. Includes noncurrent cash equivalents and investments that are similarly restricted as to withdrawal, usage or disposal.

+ References

No definition available.

+ Details

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Debt (Details) - USD ($)		12 Months Ended
Debt (Details) - USD ($)	Jan. 20, 2016	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Line of Credit Facility [Line Items]
Revolving credit facility, restriction on cash and cash equivalents		$ 830,000	$ 884,000
Interest expense		(62,000)	175,000	$ 71,000
GE Credit Agreement [Member]
Line of Credit Facility [Line Items]
Revolving credit facility, aggregate amount		$ 20,000,000
Revolving credit facility, expiration date		Sep. 26, 2019
Revolving credit facility, aggregate interest rate		4.75%
Revolving credit facility, outstanding balance		$ 0	0
Revolving credit facility, remaining availability		20,000,000	$ 20,000,000
On-X Life Technologies Holdings, Inc. [Member] \| Subsequent Event [Member]
Line of Credit Facility [Line Items]
Revolving credit facility, aggregate amount	$ 20,000,000
On-X Life Technologies Holdings, Inc. [Member] \| Term Loan [Member] \| Subsequent Event [Member]
Line of Credit Facility [Line Items]
Term loan outstanding	$ 75,000,000
Minimum [Member] \| GE Credit Agreement [Member]
Line of Credit Facility [Line Items]
Revolving credit facility, restriction on cash and cash equivalents		5,000,000
Revolving credit facility, liquidity requirement after effect to stock repurchase		$ 20,000,000
Amended Debt Agreement [Member] \| Subsequent Event [Member]
Line of Credit Facility [Line Items]
Commitment fee percentage	0.50%
Default interest rate	2.00%
Amended Debt Agreement [Member] \| Minimum [Member] \| London Interbank Offered Rate (LIBOR) [Member] \| Subsequent Event [Member]
Line of Credit Facility [Line Items]
Basis percentage	2.75%
Amended Debt Agreement [Member] \| Minimum [Member] \| Base Rate [Member] \| Subsequent Event [Member]
Line of Credit Facility [Line Items]
Basis percentage	1.75%
Amended Debt Agreement [Member] \| Maximum [Member] \| London Interbank Offered Rate (LIBOR) [Member] \| Subsequent Event [Member]
Line of Credit Facility [Line Items]
Basis percentage	3.75%
Amended Debt Agreement [Member] \| Maximum [Member] \| Base Rate [Member] \| Subsequent Event [Member]
Line of Credit Facility [Line Items]
Basis percentage	2.75%
Senior Credit Facility [Member] \| On-X Life Technologies Holdings, Inc. [Member] \| Subsequent Event [Member]
Line of Credit Facility [Line Items]
Aggregate principal amount	$ 95,000,000
Letter Of Credit Sub-facility [Member] \| On-X Life Technologies Holdings, Inc. [Member] \| Subsequent Event [Member]
Line of Credit Facility [Line Items]
Revolving credit facility, aggregate amount	4,000,000
Swing-line Sub-facility [Member] \| On-X Life Technologies Holdings, Inc. [Member] \| Subsequent Event [Member]
Line of Credit Facility [Line Items]
Revolving credit facility, aggregate amount	$ 3,000,000
Swing-line Sub-facility [Member] \| Minimum [Member] \| Base Rate [Member] \| Subsequent Event [Member]
Line of Credit Facility [Line Items]
Basis percentage	1.75%
Swing-line Sub-facility [Member] \| Maximum [Member] \| Base Rate [Member] \| Subsequent Event [Member]
Line of Credit Facility [Line Items]
Basis percentage	2.75%