Annual report pursuant to Section 13 and 15(d)

Stock-Based Compensation Schedule of Stock Options (Details)

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Stock-Based Compensation Schedule of Stock Options (Details) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]      
Fair value of options granted $ 71 $ 982 $ 193
Per share weighted average fair value of options granted (dollars per share) $ 1.83 $ 1.30 $ 1.17
Total intrinsic value of stock options exercised $ 55 $ 0 $ 0