Acquisition (Details 3) - Autoweb [Member] $ in Thousands	Sep. 30, 2016 USD ($)
Net identifiable assets acquired:
Total tangible assets acquired	$ 4,456
Total liabilities assumed	543
Net identifiable assets acquired	3,913
Definite-lived intangible assets acquired	17,690
Goodwill	6,000
Net assets acquired	$ 27,557