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Stock-Based Compensation (Narrative) (Details) (USD $) | 3 Months Ended | 9 Months Ended |  | 3 Months Ended | 9 Months Ended | 3 Months Ended | 9 Months Ended | 3 Months Ended | 9 Months Ended | 3 Months Ended | 9 Months Ended
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Sep. 30, 2013 | Sep. 30, 2012 | Sep. 30, 2013 | Sep. 30, 2012 | Mar. 05, 2012 Director Compensation Policy [Member] | Sep. 30, 2013 ESPP | Sep. 30, 2012 ESPP | Sep. 30, 2013 ESPP | Sep. 30, 2012 ESPP | Sep. 30, 2013 Restricted Stock [Member] | Sep. 30, 2012 Restricted Stock [Member] | Sep. 30, 2013 Restricted Stock [Member] | Sep. 30, 2012 Restricted Stock [Member] | Sep. 30, 2013 Stock Options | Sep. 30, 2012 Stock Options | Sep. 30, 2013 Stock Options | Sep. 30, 2012 Stock Options | Sep. 30, 2013 Performance Shares [Member] | Sep. 30, 2013 Performance Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share based compensation awards, options outstanding at period end (in Shares) |  |  |  |  |  |  |  |  |  |  |  |  |  | 778,459 |  | 778,459 |  |  |
Share based compensation awards, options outstanding and unvested at period end (in Shares) |  |  |  |  |  |  |  |  |  |  |  |  |  | 585,985 |  | 585,985 |  |  |
Shares purchased through Employee Stock Purchase Plan (in Shares) |  |  |  |  |  | 16,277 |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted average purchase price of ESPP shares purchased during the period (in Dollars per share) |  |  |  |  |  | $ 11.82 |  |  |  |  |  |  |  |  |  |  |  |  |
Share based compensation expense |  |  |  |  |  | $ 43,000 | $ 29,000 | $ 230,000 | $ 101,000 | $ 472,000 | $ 349,000 | $ 1,353,000 | $ 953,000 | $ 441,000 | $ 43,000 | $ 618,000 | $ 170,000 | $ 134,000 | $ 409,000
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period |  |  |  |  |  |  |  |  |  | 5 years |  | 3 years |  |  |  |  |  |  |
Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures |  |  |  |  |  |  |  |  |  | 500,000 |  |  |  |  |  |  |  |  |
Share based compensation awards, vesting percentage per period (in Percent) |  |  |  |  |  |  |  |  |  | 20.00% |  | 33.33% |  |  |  |  |  |  |
Unrecognized share based compensation |  |  |  |  |  |  |  |  |  | 2,800,000 |  | 2,800,000 |  |  |  |  |  |  |
Unrecognized share based compensation, expected term (in Duration) |  |  | 1 year 8 months 12 days |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Performance award hurdle price (in Dollars per share) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 21.50 | $ 21.50
Number of days market price must exceed limit to vest |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3 days
Term when market price must exceed limit to vest |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 30 days
Performance award purchase price option 1 (in Dollars per share) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0.50
Performance award purchase price option 2 (in Dollars per share) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 9
Directors fees approved under new Directors Compensation Policy, audit committee chair |  |  |  |  | 17,500 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Directors fees approved under new Directors Compensation Policy, compensation and corporate governance chair |  |  |  |  | 15,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Directors fees approved under new Directors Compensation Policy, lead director |  |  |  |  | 115,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Directors fees approved under new Directors Compensation Policy, each independent director |  |  |  |  | 40,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Directors fees approved under new Directors Compensation Policy, each independent director per regular or scheduled meeting |  |  |  |  | 75,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Directors fees approved under new Directors Compensation Policy, other committee members and chairs |  |  |  |  | 2,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Directors fees approved under new Directors Compensation Policy |  |  |  |  | 1,600 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock issued to directors |  |  |  |  |  |  |  |  |  | 25,000 |  |  |  |  |  |  |  |  |
Directors compensation expense | $ 81,000 | $ 115,000 | $ 690,000 | $ 731,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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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 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 Reference 2: 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 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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