Other (Narrative) (Details) (USD $)	3 Months Ended	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2013
Other [Abstract]
Material sales, related party		$ 598,000	$ 4,874,000
Royalty income, related party		247,000	479,000
Period increase of provision for doubtful accounts		3,887,000
Reserved note receivable	1,592,000
Equipment impairment	5,725,000
Note receivable, related to license agreement	$ 3,571,000	$ 3,571,000		$ 3,695,000