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Stock Purchase Warrants (Details 1) (USD $) | 6 Months Ended
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Jun. 30, 2013
Exercise price | $ 1.99
Warrants Outstanding | 1,632,501
Warrants Exercisable | 1,432,501
Weighted Average Remaining Contractual Life | 3 years 3 months 11 days
Aggregate Intrinsic value | $ 141,000
Warrant [Member] | Exercise Price 1.14 [Member] |
Exercise price | $ 1.14
Warrants Outstanding | 100,000
Warrants Exercisable | 100,000
Weighted Average Remaining Contractual Life | 3 years 7 months 2 days
Aggregate Intrinsic value | $ 58,000
Warrant [Member] | Exercise Price 1.32 [Member] |
Exercise price | $ 1.32
Warrants Outstanding | 18,182
Warrants Exercisable | 18,182
Weighted Average Remaining Contractual Life | 2 years 6 months
Aggregate Intrinsic value | $ 7,000
Warrant [Member] | Exercise Price 1.60 [Member] |
Exercise price | $ 1.60
Warrants Outstanding | 635,855
Warrants Exercisable | 635,855
Weighted Average Remaining Contractual Life | 4 years 3 months 29 days
Aggregate Intrinsic value | $ 76,000
Warrant [Member] | Exercise Price 2.20 [Member] |
Exercise price | $ 2.20
Warrants Outstanding | 250,000
Warrants Exercisable | 50,000
Weighted Average Remaining Contractual Life | 8 months 16 days
Warrant [Member] | Exercise Price 2.22 [Member] |
Exercise price | $ 2.22
Warrants Outstanding | 517,257
Warrants Exercisable | 517,257
Weighted Average Remaining Contractual Life | 3 years 4 months 28 days
Aggregate Intrinsic value | $ 0
Warrant [Member] | Exercise Price 3.30 [Member] |
Exercise price | $ 3.30
Warrants Outstanding | 61,207
Warrants Exercisable | 61,207
Weighted Average Remaining Contractual Life | 1 year 11 months 1 day
Aggregate Intrinsic value | $ 0
Warrant [Member] | Exercise Price 3.75 [Member] |
Exercise price | $ 3.75
Warrants Outstanding | 50,000
Warrants Exercisable | 50,000
Weighted Average Remaining Contractual Life | 2 years 7 months 17 days
Aggregate Intrinsic value | $ 0

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- Definition The value as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the share warrants plan. + References No definition available. + Details
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- Definition Exercise price of the warrants. + References No definition available. + Details
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- Definition Per share weighted average intrinsic value of equity-based compensation awards not vested. Excludes stock and unit options. + 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 (c)(2)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Weighted average remaining contractual term for equity-based awards excluding options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + 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 (e)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Number of equity instruments other than options outstanding, including both vested and non-vested instruments. + 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 (c)(1)(i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(ii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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