Goodwill and Intangible Assets (Details Narrative) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Goodwill and Intangible Assets Disclosure [Abstract]
Amortization expense for intangible assets	$ 3,000	$ 4,100	$ 5,800
Estimated amortization expenses for intangible assets 2019	1,900
Estimated amortization expenses for intangible assets 2020	1,300
Estimated amortization expenses for intangible assets 2021	500
Estimated amortization expenses for intangible assets 2022	400
Estimated amortization expenses for intangible assets 2023	300
Estimated amortization expenses for intangible assets thereafter	$ 800