Intangible Assets (Schedule of Company's Intangible Assets) (Details) - USD ($) $ in Thousands		Jun. 30, 2015	Dec. 31, 2014
Unamortized intangible assets:
Goodwill, Gross Carrying Amount	[1]	$ 11,817	$ 11,817
Goodwill, Accumulated Amortization	[1]	227	(227)
Total intangible assets		16,805	16,768
Accumulated Amortization		(2,618)	(2,416)
Customer Lists [Member]
Assets eligible for amortization:
Gross Carrying Amount		3,933	3,933
Accumulated Amortization		(1,864)	(1,705)
Patents [Member]
Assets eligible for amortization:
Gross Carrying Amount		60	23
Accumulated Amortization		(2)	(1)
Non-compete Agreements [Member]
Assets eligible for amortization:
Gross Carrying Amount		261	261
Accumulated Amortization		(183)	(157)
Software [Member]
Assets eligible for amortization:
Gross Carrying Amount		234	234
Accumulated Amortization		(234)	(234)
Other [Member]
Assets eligible for amortization:
Gross Carrying Amount		500	500
Accumulated Amortization		$ (108)	$ (92)

[1] Amortization through December 31, 2001 prior to adoption of FASB ASC 350.