General and Basis of Presentation (Details) (USD $)	3 Months Ended		1 Months Ended	3 Months Ended	1 Months Ended
	Mar. 31, 2013 Business Segment	Dec. 31, 2012	Jun. 30, 2008 Restricted Stock Grants [Member]	Mar. 31, 2013 Restricted Stock Grants [Member]	Mar. 31, 2013 Restricted Stock Grants [Member] Executive Officers and Employees [Member]	Jun. 30, 2008 Restricted Stock Grants [Member] Executive Officers and Employees [Member]	Dec. 31, 2009 Restricted Stock Grants [Member] Directors [Member]	Sep. 30, 2008 Restricted Stock Grants [Member] Directors [Member]	Feb. 28, 2011 Restricted Stock Grants [Member] Executive Officers, Directors and Employees [Member]	Mar. 31, 2012 Restricted Stock Grants [Member] Employee [Member]
Segment Reporting [Abstract]
Number of reportable segments	1
Number of business lines	3
Inventories [Abstract]
Gross inventory	$ 10,300,000	$ 10,700,000
Goodwill and Other Intangible Assets [Abstract]
Estimated useful life of intangible asset	5 years
Restricted Stock Grants [Abstract]
Restricted stock issued during the period (in shares)			4,774,273		4,312,000	7,141,501	80,000	480,000	2,330,804	10,000
Restricted stock vested on date of grant (in hundredths)				25.00%
Restricted stock vest on anniversary of the date of grant (in hundredths)				25.00%
Accumulated other comprehensive income [Abstract]
Cumulative foreign currency translation loss	(42,000)	(37,000)
Cumulative actuarial gain on pension liability adjustment	109,000	109,000
Accumulated other comprehensive income	$ 67,000	$ 72,000