Quarterly Results of Operations (Unaudited) (Details) - Quarterly Results of Operation (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Quarterly Results of Operation [Abstract]
Net Sales	$ 22,744	$ 23,982	$ 24,166	$ 26,052	$ 23,384	$ 23,977	$ 24,428	$ 26,781	$ 96,944	$ 98,570	$ 104,646
Gross profit	1,430	2,779	2,180	3,385	2,182	3,345	3,078	3,597	9,774	12,202	12,471
Net (loss)	$ (4,544)	$ (2,470)	$ (3,529)	$ (2,094)	$ (3,008)	$ (1,904)	$ 36,860	$ (1,563)	$ (12,637)	$ 30,384	$ (5,025)
Basic (in Dollars per share)	$ (0.32)	$ (0.17)	$ (0.25)	$ (0.15)	$ (0.21)	$ (0.13)	$ 2.57	$ (0.11)	$ (0.89)	$ 2.12	$ (0.35)
Diluted (in Dollars per share)	$ (0.32)	$ (0.17)	$ (0.25)	$ (0.15)	$ (0.21)	$ (0.13)	$ 2.54	$ (0.11)	$ (0.89)	$ 2.10	$ (0.35)