Leases - Lease Components (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Leases [Abstract]
ROU assets - operating lease	$ 1,917	$ 2,236
ROU assets - finance lease	57	70
Total ROU assets	1,974	2,306
Current operating lease liability	1,055	1,283
Current finance lease liability	41	50
Long-term operating lease liability	1,860	1,988
Long-term finance lease liability	20	23
Total lease liabilities	$ 2,976	$ 3,344