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Stockholders' Equity (Details Textual) - USD ($) | 1 Months Ended | 6 Months Ended | 12 Months Ended |  |  |  |  |  |  |
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Jul. 17, 2012 | Feb. 28, 2006 | Feb. 28, 2003 | Jul. 17, 2012 | Dec. 31, 2015 | Dec. 31, 2014 | Jan. 05, 2015 | Dec. 31, 2013 | May. 28, 2010 | Apr. 10, 2009 | Feb. 08, 2008 | Apr. 24, 2002 | Apr. 12, 2001
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Employee Stock Ownership Plan (ESOP), Plan Description |  |  |  |  | The Compensation Committee administers the stock-based plans. The exercise price for Incentive Stock Options (ISO) cannot be less than the fair value of the stock subject to the option on the grant date (110% of such fair value in the case of ISOs granted to a stockholder who owns more than 10% of the Companys Common Stock). The exercise price of a Non-Qualified Stock Options (NQSO) shall be fixed by the Compensation Committee at whatever price the Committee may determine in good faith. Unless the Committee determines otherwise, options beginning with the 2007 Plan generally have a 4-year term with a 3-year vesting schedule. |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term |  |  |  |  | 3 years 9 months |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate |  |  |  |  | 0.00% |  |  |  |  |  |  |  |
Allocated Share-based Compensation Expense |  |  |  |  | $ 29,000 | $ 77,000 |  |  |  |  |  |  |
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized |  |  |  |  | 60,000 |  |  |  |  |  |  |  |
Expected Recognized Compensation Expenses Year 2016 |  |  |  |  | 34,000 |  |  |  |  |  |  |  |
Expected Recognized Compensation Expenses Year 2017 |  |  |  |  | $ 14,000 |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant |  |  |  |  | 96,000 |  |  |  |  |  |  |  |
Shares, Options Outstanding (in shares) |  |  |  |  | 154,000 | 214,500 |  | 228,500 |  |  |  |  |
Percentage Of Common Stock Issued |  |  |  | 4.00% |  |  |  |  |  |  |  |  |
Share Price | $ 0.01 |  |  | $ 0.01 |  |  |  |  |  |  |  |  |
Warrants Expiration Term |  |  |  |  | 6 years 6 months 18 days |  |  |  |  |  |  |  |
Notes Payable | $ 5,000,000 |  |  | $ 5,000,000 |  |  |  |  | $ 577,000 |  | $ 4,000 |  |
Fair Value Of Warrants | $ 703,000 | $ 443,000 | $ 460,000 |  | $ 714,000 |  |  |  |  |  |  |  |
Expected Recognized Compensation Expenses Year 2018 |  |  |  |  | $ 7,000 |  |  |  |  |  |  |  |
Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Grants In Period, Gross |  |  |  |  | 49,000 | 0 |  |  |  |  |  |  |
Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Fair Value Assumptions, Risk Free Interest Rate |  |  |  |  | 1.36% |  |  |  |  |  |  |  |
Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Fair Value Assumptions, Risk Free Interest Rate |  |  |  |  | 1.80% |  |  |  |  |  |  |  |
Vesting Schedule D [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Shares, Options Outstanding (in shares) |  |  |  |  |  |  | 148,000 |  |  |  |  |  |
Stock Option Plan 2001 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized |  |  |  |  |  |  |  |  |  |  |  |  | 119,050
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant |  |  |  |  | 139,958 |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Number |  |  |  |  | 2,000 |  |  |  |  |  |  |  |
Stock Option Plan 2002 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized |  |  |  |  |  |  |  |  |  |  |  | 142,860 |
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant |  |  |  |  | 123,430 |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Number |  |  |  |  | 27,500 |  |  |  |  |  |  |  |
Stock Incentive Plan 2009 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized |  |  |  |  |  |  |  |  |  | 250,000 |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures |  |  |  |  | 250,000 |  |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award Options Grant Outstanding Number |  |  |  |  | 154,000 |  |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award Options Vested |  |  |  |  | 64,400 |  | 6,000 |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award Options Not Vested |  |  |  |  | 89,600 |  |  |  |  |  |  |  |
Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Grants In Period, Gross |  |  |  |  | 49,000 |  |  |  |  |  |  |  |

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- Definition Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 14.F) -URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 14 -Section F + Details
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- Definition Description of the plan, including the basis for determining contributions, the employee groups covered, and the nature and effect of significant matters affecting comparability of information for all periods presented. For leveraged ESOPs and pension reversion ESOPs, the description generally includes the basis for releasing shares and how dividends on allocated and unallocated shares are used. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 40 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6418621&loc=d3e17540-113929 + Details
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- Definition The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term. + 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 (f)(2)(iii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested). + 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 (a)(3) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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