Summary of Significant Accounting Policies (Details Textual) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2019	Jan. 02, 2019	Dec. 31, 2018
Summary of Significant Accounting Policies (Textual)
Right to use asset and liability	$ 3,575	$ 290
Weighted average remaining lease term	4 years 3 months 29 days
Operating lease liabilities, weighted average discount rate	6.50%
Working capital	$ 7,412		$ 2,114
Sales and buildup of inventory for new product	$ 5,003