Goodwill and Intangible Assets, Net (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012
Schedule of Goodwill and Intangible Assets [Line Items]
Cost	$ 3,469,000		$ 3,469,000		$ 3,469,000
Accumulated Amortization	(1,272,000)		(1,272,000)		(953,000)
Net Book Value	2,197,000		2,197,000		2,516,000
Intangible assets not subject to amortization	295,000		295,000		295,000
Total intangible assets, net	2,492,000		2,492,000		2,811,000
Amortization of intangible assets	100,000	100,000	300,000	200,000
Goodwill	317,000		317,000		317,000
Existing technology
Schedule of Goodwill and Intangible Assets [Line Items]
Estimated Lives			7 years
Cost	1,910,000		1,910,000		1,910,000
Accumulated Amortization	(842,000)		(842,000)		(637,000)
Net Book Value	1,068,000		1,068,000		1,273,000
Patent license
Schedule of Goodwill and Intangible Assets [Line Items]
Estimated Lives			14 years
Cost	1,388,000		1,388,000		1,388,000
Accumulated Amortization	(297,000)		(297,000)		(223,000)
Net Book Value	1,091,000		1,091,000		1,165,000
Non-competition agreements and other
Schedule of Goodwill and Intangible Assets [Line Items]
Estimated Lives			3 years
Cost	171,000		171,000		171,000
Accumulated Amortization	(133,000)		(133,000)		(93,000)
Net Book Value	$ 38,000		$ 38,000		$ 78,000