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Shareholders' Equity (Details 3) (USD $) | 12 Months Ended
--- | ---
Dec. 31, 2013 | Dec. 31, 2012
Plan Shares Available for Grant |  |
Balance at the beginning of the period (in shares) | 99,685 | 21
Reserved (in shares) | 250,000 | 500,000
Stock awards granted | (39,032) |
Balance at the end of the period (in shares) | 95,968 | 99,685
Stock Options |  |
Plan Shares Available for Grant |  |
Available for grant (in shares) | (115,000) | (737,500)
Plan Options Outstanding |  |
Balance at the beginning of the period (in shares) | 1,469,673 | 1,234,737
Granted (in shares) | 115,000 | 737,500
Exercised (in shares) | (38,165) |
Balance at the end of the period (in shares) | 1,251,442 | 1,469,673
Weighted Average Exercise Price Per Share |  |
Balance at the beginning of the period (in dollars per share) | $ 3.03 | $ 4.87
Granted (in dollars per share) | $ 2.49 | $ 1.67
Exercised (in dollars per share) | $ 1.84 |
Balance at the beginning of the period (in dollars per share) | $ 2.72 | $ 3.03
Aggregate Intrinsic Value, Exercised (in dollars) | $ 20,810 |
2003 Plan | Stock Options |  |
Plan Shares Available for Grant |  |
Available for grant cancelled (in shares) | (99,685) | 337,164
Plan Options Outstanding |  |
Cancelled (in shares) | (263,666) | (337,164)
Weighted Average Exercise Price Per Share |  |
Cancelled (in dollars per share) | $ 3.64 | $ 3.77
1990 Plan | Stock Options |  |
Plan Options Outstanding |  |
Cancelled (in shares) | (31,400) | (165,400)
Weighted Average Exercise Price Per Share |  |
Cancelled (in dollars per share) | $ 10.37 | $ 9.19

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- Definition For presentations that combine terminations, the number of available shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan or that expired. + 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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