Stock Compensation Expense (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Share-based Payment Arrangement [Abstract]
Stock option grants	$ 28	$ 428	$ 57	$ 469
Annual director stock award	0	683	0	683
Stock based compensation expense	$ 28	$ 1,111	$ 57	$ 1,152

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

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