Long-Term Debt (Credit Facility) (Narrative) (Details)			6 Months Ended
	Feb. 02, 2016 USD ($) shares	Jan. 21, 2016 USD ($)	Jun. 30, 2016 USD ($)	Jun. 30, 2015 USD ($)	Dec. 31, 2015 USD ($)
Line of Credit Facility [Line Items]
Deferred financing fees			$ 1,083,000		$ 1,253,000
Write off of deferred debt financing fees			768,000
Reclassification of deferred debt issuance costs			1,253,000
Aggregate purchase price of common stock issued			$ 500,000	$ 388,000
Directors And Officers [Member] | New Credit Agreement [Member]
Line of Credit Facility [Line Items]
Shares of common stock issued | shares	73,207
Aggregate purchase price of common stock issued	$ 500,004
PNC Bank [Member] | New Credit Agreement [Member]
Line of Credit Facility [Line Items]
Debt instrument, maturity date			Jan. 21, 2021
Minimum fixed charge coverage ratio			1.10
Deferred financing fees			$ 700,000
Reclassification of deferred debt issuance costs			1,253,000
PNC Bank [Member] | Prior Credit Agreement [Member]
Line of Credit Facility [Line Items]
Write off of deferred debt financing fees			$ 800,000
Revolving Credit Facility [Member] | PNC Bank [Member]
Line of Credit Facility [Line Items]
Maximum secured borrowing capacity		$ 65,000,000
Commitment fee on the daily unused portion of the Revolver		0.25%
Revolving Credit Facility [Member] | PNC Bank [Member] | LIBOR [Member]
Line of Credit Facility [Line Items]
Debt instrument basis spread on variable rate			3.71%
Revolving Credit Facility [Member] | PNC Bank [Member] | Request to Increase Borrowing Prior to January 21, 2020 [Member]
Line of Credit Facility [Line Items]
Increase in maximum aggregate principal amount of borrowings		$ 25,000,000
Letter of Credit [Member] | PNC Bank [Member]
Line of Credit Facility [Line Items]
Maximum secured borrowing capacity		10,000,000
Term Loan [Member] | PNC Bank [Member]
Line of Credit Facility [Line Items]
Maximum secured borrowing capacity		30,000,000
Quarterly term loan payments			$ 1,100,000
Debt instrument payment start date			Apr. 01, 2016
Term Loan [Member] | PNC Bank [Member] | LIBOR [Member]
Line of Credit Facility [Line Items]
Debt instrument basis spread on variable rate			4.21%
Swing Loan Credit Facility [Member] | PNC Bank [Member]
Line of Credit Facility [Line Items]
Maximum secured borrowing capacity		$ 6,500,000