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12. Share RepurchaseProgram (Detail Narrative) - USD ($)
shares in Thousands, $ in Thousands
 12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Number of shares authorized to be repurchased 250  
Amount of shares authorized to be repurchased $ 3,500  
Amount remaining available under the repurchase plan 1,418  
Stock repurchased during period, amount $ 1,486 $ 738
Treasury Stock, Common [Member]    
Stock repurchased during period, shares 148 69
Stock repurchased during period, amount $ 1,486 $ 738