Leases (Details) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2020	Mar. 31, 2019
Leases [Abstract]
Operating lease cost	[1]	$ 119	$ 157
Finance lease cost:
Amortization of leased assets		151	161
Interest on lease liabilities		7	10
Total finance lease cost		$ 158	$ 171

[1] Includes short term lease costs of $24,000 and $34,000 for the three months ended March 31, 2020 and 2019 respectively.