Credit Risk and Concentrations (Details Textual) $ in Thousands	12 Months Ended
	Dec. 31, 2018 USD ($) Vendor	Dec. 31, 2017 USD ($) Vendor
Customer D [Member] | Customer Concentration Risk [Member]
Credit Risk and Concentrations (Textual)
Concentration risk, percentage		11.00%
Accounts Receivable [Member] | Customer A [Member]
Credit Risk and Concentrations (Textual)
Concentration risk, percentage	27.00%
Accounts Payable [Member] | Vendor One [Member]
Credit Risk and Concentrations (Textual)
Concentration risk, percentage	40.00%	30.00%
Number of vendors	3	2
Accounts Payable [Member] | Vendor Two [Member]
Credit Risk and Concentrations (Textual)
Concentration risk, percentage	15.00%	15.00%
Number of vendors	3	2
Accounts Payable [Member] | Vendor Three [Member]
Credit Risk and Concentrations (Textual)
Concentration risk, percentage	12.00%
Number of vendors	3
Cost of Goods, Total [Member] | Vendor One [Member]
Credit Risk and Concentrations (Textual)
Concentration risk, percentage	20.00%	28.00%
Purchases from vendors | $	$ 4,400	$ 6,500
Number of vendors	2	2
Cost of Goods, Total [Member] | Vendor Two [Member]
Credit Risk and Concentrations (Textual)
Concentration risk, percentage	11.00%	16.00%
Purchases from vendors | $	$ 2,570	$ 3,800
Number of vendors	2	2