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Stockholders' Equity and Stock Compensation - Summarizes Information About Stock Options Outstanding and Stock Options Exercisable (Details) | 12 Months Ended
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Dec. 31, 2017 $ / shares shares
Stockholders' Equity [Line Items] |
Number Outstanding | shares | 361,000
Weighted Average Exercise Price | $ 1.37
Exercise Price Range One [Member] |
Stockholders' Equity [Line Items] |
Range of Exercise Price, Low | 1.17
Range of Exercise Price, Up | $ 1.36
Number Outstanding | shares | 90,000
Weighted Average Remaining Contractual Life | 1 year 1 month 16 days
Weighted Average Exercise Price | $ 1.20
Exercise Price Range Two [Member] |
Stockholders' Equity [Line Items] |
Range of Exercise Price, Low | 1.36
Range of Exercise Price, Up | $ 1.65
Number Outstanding | shares | 264,000
Weighted Average Remaining Contractual Life | 2 years 2 months 23 days
Weighted Average Exercise Price | $ 1.57
Exercise Price Range Three [Member] |
Stockholders' Equity [Line Items] |
Range of Exercise Price, Low | 2.00
Range of Exercise Price, Up | $ 2.15
Number Outstanding | shares | 6,000
Weighted Average Remaining Contractual Life | 6 years 9 months
Weighted Average Exercise Price | $ 2.15

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- Definition The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range. + 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 (g) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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- Definition The number of shares reserved for issuance pertaining to the outstanding stock options as of the balance sheet date for all option plans in the customized range of exercise prices. + 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)-(ii) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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- Definition The ceiling of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range. + 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 (g) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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- Definition The weighted average price as of the balance sheet date at which grantees could acquire the underlying shares with respect to all outstanding stock options which are in the customized range of exercise prices. + 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)-(ii) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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- Definition Weighted average remaining contractual term of outstanding stock 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=96867065&loc=d3e5070-113901 + Details
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