Schedule of Finite Lived Assets (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		12 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	5 years
Gross Carrying Amount	$ 1,598		$ 1,598
Accumulated Amortization	151		93
Intangible assets, net	1,447		1,505
Amortization of Intangible Assets	58	0
Noncompete Agreements [Member]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	5 years		5 years
Gross Carrying Amount	120		120
Accumulated Amortization	28		22
Intangible assets, net	92		98
Unpatented Technology [Member]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	7 years		7 years
Gross Carrying Amount	1,478		1,478
Accumulated Amortization	123		71
Intangible assets, net	$ 1,355		$ 1,407