Stock Compensation Expense (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Share-based Payment Arrangement [Abstract]
Stock option grants	$ 29	$ 17	$ 86	$ 486
Unrestricted employee stock award	50	0	50	0
Annual director stock award	70	0	70	683
Stock based compensation expense	$ 149	$ 17	$ 206	$ 1,169

Amount of increase to additional paid-in capital (APIC) for recognition of cost for award under share-based payment arrangement.

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