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Stock-based Compensation (Details Textual) (USD $) | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2013 | Dec. 31, 2012 | Sep. 17, 2013 | Dec. 31, 2011
Stock Based Compensation (Textual) [Abstract] |  |  |  |
Number of shares outstanding under Equity plan | 1,156,869 |  |  |
Shares reserved for future | 1,093,131 |  | 2,250,000 |
Percentage holding for stock options exercise price | 10.00% |  |  |
Options outstanding | 843,442 | 144,019 |  | 144,039
Weighted Average exercise Price of Options Outstanding | $ 3.76 | $ 18.28 |  | $ 19.20
Options and awards granted | 1,160,535 | 5,833 |  |
Total intrinsic value of options exercised | $ 0 | $ 0 |  |
Unrecognized compensation expense related to unvested options | 701,000 |  |  |
Unrecognized compensation cost related to unvested stock awards | $ 529,000 |  |  |
Employee Stock Option |  |  |  |
Stock Based Compensation (Textual) [Abstract] |  |  |  |
Maturity period of weighted average period of compensation expenses | 2 years 7 months 6 days |  |  |
Restricted Stock Units (RSUs) |  |  |  |
Stock Based Compensation (Textual) [Abstract] |  |  |  |
Maturity period of weighted average period of compensation expenses | 2 years 8 months 12 days |  |  |
Two Thousand And Four Stock Option Plan |  |  |  |
Stock Based Compensation (Textual) [Abstract] |  |  |  |
Options outstanding | 63,255 |  |  |
Weighted Average exercise Price of Options Outstanding | $ 21.25 |  |  |
Other Stock Option Plan |  |  |  |
Stock Based Compensation (Textual) [Abstract] |  |  |  |
Options outstanding | 42,318 |  |  |
Weighted Average exercise Price of Options Outstanding | $ 18.98 |  |  |
Minimum |  |  |  |
Stock Based Compensation (Textual) [Abstract] |  |  |  |
Percentage of exercise price of stock option | 100.00% |  |  |
Maximum |  |  |  |
Stock Based Compensation (Textual) [Abstract] |  |  |  |
Percentage of exercise price of stock option | 110.00% |  |  |

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- Definition Percentage holding for stock options exercise price. + References No definition available. + Details
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- Definition Share Based Compensation Arrangement By Share Based Payment Award Options and Other Than Options, Grants During Period + References No definition available. + Details
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- Details
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- Definition Aggregate number of common shares reserved for future issuance. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.29) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, 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 (i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Unrecognized cost of unvested share-based awards, other than options, awarded to employees as compensation. + References No definition available. + Details
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- Definition Unrecognized cost of unvested options awarded to employees as compensation. + References No definition available. + 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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- Definition Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares. + 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)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Number of options outstanding, including both vested and non-vested 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 -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)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=6415400&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://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 + Details
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