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Shareholders' Equity (Schedule of Stock Option Activity) (Details) - 2011 Long-Term Incentive Plan [Member] - USD ($) | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2015 | Dec. 31, 2014
Stock options: |  |
Balance at the beginning of period | 366,400 |
Granted | 13,000 |
Exercised |  |
Forfeited | (30,000) |
Outstanding at the end of period | 349,400 | 366,400
Exercisable at the end of period | 278,401 |
Weighted average exercise price; |  |
Balance at the beginning of period, per share | $ 9.81 |
Granted, per share | 8.98 |
Outstanding at the end of period, per share | 9.34 | $ 9.81
Exercisable at the end of period, per share | $ 9.48 |
Weighted average remaining contractual term: |  |
SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm3 | 7 years 1 month 6 days | 6 years 10 months 24 days
Granted (in years) | 10 years |
SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm3 | 7 years 1 month 6 days | 6 years 10 months 24 days
Exercisable at the end of period (in years) | 6 years 4 months 24 days |
Aggregate intrinsic value: |  |
Balance at the beginning of period | $ 268,400 |
Outstanding at the end of period | 268,400 | $ 268,400
Exercisable at the end of period | $ 229,774 |

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- Definition Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible. + References No definition available. + Details
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- Definition Weighted average remaining contractual term for option awards grants in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition The weighted average period between the balance sheet date and expiration for all awards outstanding under the plan, which may be expressed in a decimal value for number of years. + References No definition available. + Details
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- Definition The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the 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)(iii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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