Restructuring Costs (Details Narrative) $ in Millions	3 Months Ended	9 Months Ended	18 Months Ended
	Sep. 30, 2017 USD ($)	Sep. 30, 2017	Dec. 31, 2014 position	Dec. 31, 2016	Dec. 31, 2015
Restructuring Cost and Reserve [Line Items]
Entity number of employees	83	83		166	226
Restructuring Costs Under the 2013 Plan
Restructuring Cost and Reserve [Line Items]
Number of positions eliminated, worldwide (over 100) | position			100
Minimum | Severance related costs
Restructuring Cost and Reserve [Line Items]
Expected period for restructuring costs to be paid		3 months
Maximum | Severance related costs
Restructuring Cost and Reserve [Line Items]
Expected period for restructuring costs to be paid		24 months
2017 Plan
Restructuring Cost and Reserve [Line Items]
Estimated annualized cost savings	$ 10.0
Severance expense	$ 1.0