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Fair Value Measurement (Tables)

12 Months Ended

Dec. 31, 2014

Fair Value Measurement [Abstract]

Schedule of assets and liabilities measured at fair value on a recurring basis

								Fair Value Measurements at Reporting Date Using
				December 31, 2014				Quoted Prices in Active Markets for Identical Assets/ Liabilities (Level 1)				Significant Other Observable Inputs (Level 2)				Significant Unobservable Inputs (Level 3)
Assets:
Cash equivalents:
Money market funds				$	8,275			$	8,275			$	—			$	—
Interest rate swap					143				—				143				—
Total assets at fair value on a recurring basis				$	8,418			$	8,275			$	143			$	—
Liabilities:
Other long-term liabilities:
Deferred payments					2,398				—				—				2,398
Total liabilities at fair value on a recurring basis				$	2,398			$	—			$	—			$	2,398

								Fair Value Measurements at Reporting Date Using
				December 31, 2013				Quoted Prices in Active Markets for Identical Assets/ Liabilities (Level 1)				Significant Other Observable Inputs (Level 2)				Significant Unobservable Inputs (Level 3)
Assets:
Cash equivalents:
Money market funds				$	8,382			$	8,382			$	—			$	—
Interest rate swaps					45				—				45				—
Total assets at fair value on a recurring basis				$	8,427			$	8,382			$	45			$	—
Liabilities:
Other long-term liabilities:
Deferred payments					2,115				—				—				2,115
Total liabilities at fair value on a recurring basis				$	2,115			$	—			$	—			$	2,115

Schedule of changes in fair value of level 3 liability

				Deferred Payments
Balance at December 31, 2013				$	2,115
Amounts earned					(545	)
Adjustments to fair value					828
Transfers in or out of Level 3					—
Balance at December 31, 2014				$	2,398

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- Definition

Tabular disclosure of the fair value measurement of liabilities using significant unobservable inputs (Level 3), a reconciliation of the beginning and ending balances, separately presenting changes attributable to the following: (1) total gains or losses for the period (realized and unrealized), segregating those gains or losses included in earnings (or changes in net assets), and gains or losses recognized in other comprehensive income (loss) and a description of where those gains or losses included in earnings (or changes in net assets) are reported in the statement of income (or activities); (2) purchases, sales, issues, and settlements (each type disclosed separately); and (3) transfers in and transfers out of Level 3 (for example, transfers due to changes in the observability of significant inputs) by class of liability.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 3

-URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19279-110258

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- Definition

Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19190-110258

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