Goodwill and Other Intangible Assets (Details) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Finite-Lived Intangible Assets [Line Items]
Balance, Beginning	$ 1,213,000	$ 1,589,000
Amortization	(266,000)	(376,000)
Balance, Ending	947,000	1,213,000
Patents and Other Intangible Asset [Member]
Finite-Lived Intangible Assets [Line Items]
Balance, Beginning	1,213,000	1,489,000
Amortization	(266,000)	(276,000)
Balance, Ending	947,000	1,213,000
Weighted-average remaining amortization period in years	4 years 8 months 12 days
Proprietary Software [Member]
Finite-Lived Intangible Assets [Line Items]
Balance, Beginning	0	100,000
Amortization	0	(100,000)
Balance, Ending	$ 0	$ 0
Weighted-average remaining amortization period in years	0 years