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Stock-Based Compensation (Details 1) - Stock option [Member] | 6 Months Ended
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Jun. 30, 2018 $ / shares shares
Summary of all stock option plans |
Number of Options Outstanding, Beginning Balance | shares | 1,756,000
Number of Options outstanding, Granted | shares | 300,000
Number of Options Outstanding, Cancelled | shares | (584,000)
Number of Options Outstanding, Expired | shares | (260,000)
Number of Options Outstanding, Ending Balance | shares | 1,212,000
Weighted Average Exercise Price, Outstanding, Beginning Balance | $ / shares | $ 4.20
Weighted Average Exercise Price, Expired, Granted | $ / shares | 1.50
Weighted Average Exercise Price, Cancelled | $ / shares | 4.10
Weighted Average Exercise Price, Expired | $ / shares | 4.15
Weighted Average Exercise Price, Outstanding, Ending Balance | $ / shares | $ 3.59

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- Definition Share based compensation arrangements by share based payment award options expirations in period weighted average exercise price. + References No definition available. + Details
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- Definition Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(4) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + 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 Number of options outstanding, including both vested and non-vested options. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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- Definition Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i) -URI http://asc.fasb.org/extlink&oid=109197908&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 of the plan that expired. + References No definition available. + Details
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