Leases (Details Narrative) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2019	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2019
Operating lease assets net of accumulated amortization				$ 2,300
Financing lease assets net of accumulated amortization				400
ROU financing lease assets
Rent expense		$ 3,700	$ 3,500
Lease Agreement [Member] | Vertex's Massachusetts [Member]
Early termination liability expenses	$ 2,200
Warehouse Machinery And IT Infrastructure Lease Agreements [Member]
Financing lease obligations				$ 2,500