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Stockholders' Equity (Details 1)
 12 Months Ended
Dec. 31, 2016
$ / shares
shares
Stockholders' Equity [Abstract]  
Number of Shares, Non-vested stock options, begining balance | shares 65,000
Number of Shares, Non-vested stock options, ending balance | shares 98,000
Number of Shares, Stock options granted | shares 46,000
Number of Shares, Stock options vested | shares 1,000
Number of Shares, Stock options forfeited | shares 17,000
Weighted Average Fair Value at Grant Date, Non-vested stock options, begining balance | $ / shares $ 5.35
Weighted Average Fair Value at Grant Date, Non-vested stock options, ending balance | $ / shares 6.03
Weighted Average Fair Value at Grant Date, Stock options granted | $ / shares 6.98
Weighted Average Fair Value at Grant Date, Stock options vested | $ / shares 4.15
Weighted Average Fair Value at Grant Date, Stock options forfeited | $ / shares $ 6.16