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Stockholders' Equity (Details 1) | 12 Months Ended
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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

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