Segment and Major Customers Information - Narrative (Details)	3 Months Ended		12 Months Ended
	Mar. 31, 2016 reporting_segment customer	Mar. 31, 2015 customer	Dec. 31, 2015 customer
Revenue, Major Customer [Line Items]
Number of reportable segment and operating unit structure | reporting_segment	1
Customer concentration risk | Sales revenue, net | Distributor One
Revenue, Major Customer [Line Items]
Number of major customers	1	1
Concentration risk percentage	17.00%	13.00%
Customer concentration risk | Sales revenue, net | Reseller
Revenue, Major Customer [Line Items]
Number of major customers	1	1
Concentration risk percentage	11.00%	11.00%
Customer concentration risk | Accounts Receivable
Revenue, Major Customer [Line Items]
Number of major customers	0		2
Customer concentration risk | Accounts Receivable | Distributor One
Revenue, Major Customer [Line Items]
Concentration risk percentage			20.00%
Customer concentration risk | Accounts Receivable | Distributor Two
Revenue, Major Customer [Line Items]
Concentration risk percentage			12.00%