Leases - Lease Cost and Lease BS Info (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019	Jan. 01, 2019
Lessee Lease Description [Abstract]
Operating Lease, Cost	$ 130	$ 130
Finance Lease, Right-of-Use Asset, Amortization	54	53
Finance Lease, Interest Expense	2	3
Total Finance Lease Cost	56	$ 56
Operating Lease, Right-of-Use Asset	670		$ 781	$ 1,201
Finance Lease, Right-of-Use Asset	260		354	329
Right of Use Assets	930		1,135	1,530
Operating Lease, Liability, Current	548		551	512
Finance Lease, Liability, Current	193		216	131
Current portion of lease liability	741		767	643
Operating Lease, Liability, Noncurrent	331		466	1,017
Finance Lease, Liability, Noncurrent	68		136	188
Lease liability, net of current portion	$ 399		$ 602	$ 1,205