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Shareholders' Equity (Details Narrative) - Treasury Stock [Member] - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 29 Months Ended
Mar. 31, 2019
Mar. 31, 2019
Nov. 14, 2016
May 02, 2012
Number of shares authorized to repurchased       500,000
Purchase of treasury stock   65,915    
Purchase of treasury stock, value   $ 300    
Additional number of shares authorized to repurchased 434,085 434,085    
Average price per share of treasury stock acquired $ 44.88      
Maximum [Member]        
Number of shares authorized to repurchased     500,000