Area of land held.

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- Definition

Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section 50
-Paragraph 1
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-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
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-Section 45
-Paragraph 25
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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section S99
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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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Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section S99
-Paragraph 2
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- References

No definition available.

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Other Long-Term Liabilities - Lease Restructure (Details) $ in Thousands	1 Months Ended	9 Months Ended
	Mar. 31, 2017 USD ($)	Sep. 30, 2017 USD ($)	Dec. 31, 2016 ft²
Accrued Lease Restructuring
Beginning Balance		$ 1,154
Expense		170
Payments		(470)
Ending Balance		$ 854
Needham Massachusetts, non occupancy
Lease Restructuring
Expansion space (in square feet) \| ft²			11,500
General and administrative \| Branford, CT lease termination
Accrued Lease Restructuring
Expense	$ 200