Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2016

Sales

Schedule of sales to customers or customer groups representing greater than 10 percent of net sales

	Year ended December 31,
		2016		2015
Customer A		18	%	11	%

Accounts receivable

Schedule of sales to customers or customer groups representing greater than 10 percent of net sales

	As of  December 31,
		2016		2015
Customer A		29	%	25	%
Customer B		10	%	*	%