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Stock Incentive Plans (Details 1) - November 2018 [Member]
12 Months Ended
Dec. 31, 2018
$ / shares
shares
Intrinsic value calculated based on grant date fair value, Number of options granted | shares 10,000
Intrinsic value calculated based on grant date fair value, Exercise price $ 7.77
Intrinsic value calculated based on grant date fair value, Intrinsic value per share