Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(a))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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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.

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- Definition

Represents the minimum period required to provide notice of intent not to renew agreement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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- Definition

Contract Termination Fee

+ References

No definition available.

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- Definition

Amount of reimbursement from third party for rent and related operating expenses for shared space included in other income in the income statement.

+ References

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- Definition

Payment Installments for Contract Termination Fee

+ References

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+ Details

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- Definition

Testing and evaluation service costs directly related to generating revenues.

+ References

No definition available.

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Thyroid Cytopathology Partners (Details)	3 Months Ended		9 Months Ended		12 Months Ended
Thyroid Cytopathology Partners (Details)	Sep. 30, 2018 USD ($)	Sep. 30, 2017 USD ($)	Sep. 30, 2018 USD ($)	Sep. 30, 2017 USD ($)	Dec. 31, 2017 USD ($)	Oct. 16, 2017 USD ($) installment
Thyroid Cytopathology Partners
Outstanding obligations	$ 1,175,000		$ 1,175,000		$ 3,853,000
Thyroid Cytopathology Partners
Thyroid Cytopathology Partners
Notice of intent not to renew period					12 months
Contract termination fee						$ 1,800,000.0
Payment installments for contract termination fee (in installments) \| installment						8
Expenses for cytopathology testing and evaluation services	1,000,000	$ 1,200,000	2,900,000	$ 3,600,000
Outstanding obligations	289,000		289,000		$ 308,000
Reduction to rent expense for TCP's portion of costs for subleased space	$ 32,000	$ 25,000	$ 96,000	$ 78,000