Significant Accounting Policies (Details Textual) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2019	Dec. 31, 2018
Significant Accounting Policies (Textual)
Allowance for doubtful accounts	$ 31	$ 32
Net of sales return reserve	86	$ 105
Deferred revenues recognized	$ 184
Lease, description	Upon adoption of this standard on January 1, 2019, the Company recorded right?of?use assets and corresponding lease liabilities of $2,099 and $2,249, respectively. As of June 30, 2019, the right?of?use assets and corresponding lease liabilities in the Company's condensed consolidated balance sheets were $1,893 and $2,039, respectively.
Performance obligation, description	The estimated revenue expected to be recognized in the future related to the service type warranty amounts to $874 thousand, which is fulfilled over one to five years.