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Stockholders' Equity (Details 1) - $ / shares | 12 Months Ended
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Dec. 31, 2017 | Dec. 31, 2016
Stockholders' Equity [Abstract] |  |
Number of Shares, Non-vested stock options, beginning balance | 98,000 |
Number of Shares, Non-vested stock options, ending balance | 205,000 | 98,000
Number of Shares, Stock options granted | 141,000 |
Number of Shares , Stock options that vested | 20,000 |
Number of Shares, Stock options that were forfeited | 21,000 |
Weighted Average Fair Value at Grant Date, Non-vested stock options, begining balance | $ 3.21 |
Weighted Average Fair Value at Grant Date, Non-vested stock options, ending balance | 3.49 | $ 3.21
Weighted Average Fair Value at Grant Date, Stock options granted | 3.51 |
Weighted Average Fair Value at Grant Date, Stock options that vested | 2.28 |
Weighted Average Fair Value at Grant Date, Stock options that were forfeited | 2.99 |
Weighted Average Exercise Price, Non-vested stock options, begining balance | 6.03 |
Weighted Average Exercise Price, Non-vested stock options, ending balance | 6.07 | 6.03
Weighted Average Exercise Price, Stock options granted | 5.92 | 6.98
Weighted Average Exercise Price, Stock options that vested | 4.73 |
Weighted Average Exercise Price, Stock options that were forfeited | $ 5.68 | $ 6.16

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- Definition Weighted average price at which option holders acquired shares when vesting their stock options. + References No definition available. + Details
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- Definition Gross number of share options (or share units) granted during the period. + References No definition available. + Details
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- Definition The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d)(1) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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- Definition Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated. + References No definition available. + Details
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- Definition Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options. + References No definition available. + Details
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- Definition Number of non-vested options outstanding. + References No definition available. + Details
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