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Impact of Recent Accounting Pronouncements (Details Narrative) - USD ($)
$ in Thousands
6 Months Ended 12 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Dec. 31, 2016
Accounting Standards Update 2016-09 [Member]      
Employee service share-based compensation, tax benefit realized from exercise of stock options $ 24 $ 197 $ 308