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Stockholders' Equity and Earnings Per Share (Details Textual) (USD $)
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12 Months Ended | |||
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Dec. 31, 2012
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Dec. 31, 2011
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Dec. 31, 2010
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Dec. 31, 2009
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| Stockholders' Equity and Earnings Per Share (Textual) [Abstract] | ||||
| Common stock, shares authorized | 100,000,000 | 100,000,000 | ||
| Option to purchase shares, anti-dilutive | 1,018,900 | 1,169,064 | 1,420,940 | |
| Redemption of Rights agreement | The Rights Agreement was redeemed at the rate of 1/10th of $0.01 per share and paid to stockholders at a cost to the Company of approximately $67,000 in 2009. | |||
| Rate of redemption of Rights agreement | $ 0.01 | |||
| Redemption of Rights agreement, cost to company | $ 67,000 | |||
| Share of the redemption held as treasury stock | $ 5,000 | |||
| X | ||||||||||
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- Definition
Cost to company under rights redemption agreement. No definition available.
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- Definition
Proceeds from treasury redemption. No definition available.
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- Definition
Rate of redemption of rights agreement. No definition available.
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- Definition
Redemption rights description. No definition available.
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- Details
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- Definition
Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The maximum number of common shares permitted to be issued by an entity's charter and bylaws. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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