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Note 4. Stock Options and Restricted Stock Units (Details Narrative)
$ / shares in Units, $ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2019
USD ($)
$ / shares
shares
Jun. 30, 2019
USD ($)
$ / shares
shares
Unrecognized compensation expense, options | $ $ 117 $ 117
Restricted stock units granted 24,000 46,000
Restricted stock units granted, intrinsic value | $ / shares $ 11.27 $ 11.57
Restricted stock units vested 8,000 33,000
Restricted stock units vested, intrinsic value | $ / shares $ 17.40 $ 8.62
Unrecognized compensation expense, restricted stock units | $ $ 478 $ 478
2014 Plan    
Shares available for grant 27,500 27,500