The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of a finite-lived intangible asset to fair value.

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Changes in the Company's carrying value of other intangible assets (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended				12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Finite-lived Intangible Assets [Roll Forward]
Finite-Lived Intangible Assets, Gross, Beginning				$ 18,742	$ 18,742	$ 18,742
Impairment	(3,800)	0	0	0		(1,236)
Intangible Asssets, Gross, Excluding Goodwill, Beginning				20,907	20,907	20,907
Finite-Lived Intangible Assets, Accumulated Amortization, Beginning				(5,750)	(5,750)	(4,125)
Amortization of Intangible Assets					(1,497)us-gaap_AmortizationOfIntangibleAssets	(1,625)us-gaap_AmortizationOfIntangibleAssets	(1,300)us-gaap_AmortizationOfIntangibleAssets
Finite-Lived Intangible Assets, Gross, Ending	16,522				16,522	18,742	18,742
Intangible Asssets, Gross, Excluding Goodwill, Ending	18,687				18,687	20,907	20,907
Finite-Lived Intangible Assets, Accumulated Amortization, Ending	(6,263)				(6,263)	(5,750)	(4,125)
Trademarks [Member]
Finite-lived Intangible Assets [Roll Forward]
Finite-Lived Intangible Assets, Gross, Beginning				5,200	5,200	5,200
Indefinite-lived trademarks	2,165				2,165	2,165	2,165
Finite-Lived Intangible Assets, Accumulated Amortization, Beginning				(440)	(440)	(67)
Amortization of Intangible Assets					(340)	(373)
Finite-Lived Intangible Assets, Gross, Ending	5,100				5,100	5,200
Indefinite-Lived Trademarks, ending	(2,165)				(2,165)	(2,165)	(2,165)
Finite-Lived Intangible Assets, Accumulated Amortization, Ending	(680)				(680)	(440)
Developed Technology [Member]
Finite-lived Intangible Assets [Roll Forward]
Finite-Lived Intangible Assets, Gross, Beginning				460	460	460
Impairment						(92)
Finite-Lived Intangible Assets, Accumulated Amortization, Beginning				(276)	(276)	(184)
Amortization of Intangible Assets					(92)	(92)
Finite-Lived Intangible Assets, Gross, Ending	0				0	460
Finite-Lived Intangible Assets, Accumulated Amortization, Ending	0				0	(276)
Client Relationships [Member]
Finite-lived Intangible Assets [Roll Forward]
Finite-Lived Intangible Assets, Gross, Beginning				11,960	11,960	11,960
Impairment						(1,144)
Finite-Lived Intangible Assets, Accumulated Amortization, Beginning				(4,625)	(4,625)	(3,593)
Amortization of Intangible Assets					(938)	(1,032)
Finite-Lived Intangible Assets, Gross, Ending	10,300				10,300	11,960
Finite-Lived Intangible Assets, Accumulated Amortization, Ending	(5,047)				(5,047)	(4,625)
Noncompete Agreements [Member]
Finite-lived Intangible Assets [Roll Forward]
Finite-Lived Intangible Assets, Gross, Beginning				150	150	150
Finite-Lived Intangible Assets, Accumulated Amortization, Beginning				(105)	(105)	(75)
Amortization of Intangible Assets					(30)	(30)
Finite-Lived Intangible Assets, Gross, Ending	150				150	150
Finite-Lived Intangible Assets, Accumulated Amortization, Ending	(135)				(135)	(105)
Franchise Rights [Member]
Finite-lived Intangible Assets [Roll Forward]
Finite-Lived Intangible Assets, Gross, Beginning				972	972	972
Finite-Lived Intangible Assets, Accumulated Amortization, Beginning				(304)	(304)	(206)
Amortization of Intangible Assets					(97)	(98)
Finite-Lived Intangible Assets, Gross, Ending	972				972	972
Finite-Lived Intangible Assets, Accumulated Amortization, Ending	$ (401)				$ (401)	$ (304)