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Schedule II - Valuation And Qualifying Accounts And Reserves

12 Months Ended

Dec. 31, 2017

Valuation and Qualifying Accounts [Abstract]

Schedule II - Valuation and Qualifying Accounts and Reserves

Year Ended December 31,						Additions
Description		Balance at Beginning of Year				Charged to Costs and Expenses				Charged to Other Accounts				(Deductions)				Balance at End of Year
Allowance for doubtful accounts:
2017		$	523			$	172			$	—			$	—			$	695
2016		649				—				—				(126		)		523
2015		784				—				—				(135		)		649
Deferred income tax valuation allowance:
2017 (1)		$	17,922			$	—			$	50,547			$	—			$	68,469
2016		14,548				—				3,374				—				17,922
2015		16,509				(1,142		)		(819		)		—				14,548

(1) Additions to deferred income tax valuation allowance in 2017 reflect the Pennsylvania state tax law change in October 2017 regarding the use of net operating losses.

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- Definition

The entire disclosure for any allowance and reserve accounts (their beginning and ending balances, as well as a reconciliation by type of activity during the period). Alternatively, disclosure of the required information may be within the footnotes to the financial statements or a supplemental schedule to the financial statements.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-URI http://asc.fasb.org/topic&trid=2122369

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- References

No definition available.

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