Other Financial Information (Schedule of Inventory Table) (Details) (USD $)	Sep. 30, 2013	Dec. 31, 2012
Inventory Disclosure [Abstract]
Raw materials	$ 17,802,000	$ 8,317,000
Work in process	949,000	655,000
Finished goods	1,483,000	1,598,000
Total	20,234,000	10,570,000
Obsolete inventory and excess reserves	$ 800,000	$ 500,000