10. Share-Based Employee Compensation (Details 1) (USD $)	12 Months Ended
Dec. 31, 2013
Notes to Financial Statements
Outstanding Stock Options	460,944
Vested Stock Options	435,944
Nonvested Stock Options	25,000
Issued Stock Options	90,000
Forfeited Stock Options
Expired Stock Options	5,000
Outstanding Stock Options	482,611
Vested Stock Options	410,942
Nonvested Stock Options	71,669
Outstanding Wgt. Avg. Exercise Price	$ 3.47
Vested Wgt. Avg. Exercise Price	$ 3.55
Nonvested Wgt. Avg. Exercise Price	$ 2.03
Issued Wgt. Avg. Exercise Price	$ 2.59
Exercised Wgt. Avg. Exercise Price	$ 1.95
Forfeited Wgt. Avg. Exercise Price
Expired Wgt. Avg. Exercise Price	$ 4.50
Outstanding Wgt. Avg. Exercise Price	$ 3.50
Vested Wgt. Avg. Exercise Price	$ 3.64
Outstanding Contractual Life	4 years 1 month 17 days
Vested Contractual Life	3 years 7 months 24 days
Nonvested Contractual Life	6 years 10 months 20 days
Outstanding Grant Date Fair Value	$ 2.29
Vested Grant Date Fair Value	$ 2.38
Nonvested Grant Date Fair Value	$ 0.68
Issued Grant Date Fair Value	$ 0.98
Exercised Grant Date Fair Value	$ 1.19
Forfeited Grant Date Fair Value
Expired Grant Date Fair Value	$ 2.68
Nonvested Grant Date Fair Value	$ 0.87
Outstanding Aggregate Intrinsic Value	$ 344,155
Vested Aggregate Intrinsic Value	292,653
Vested Aggregate Intrinsic Value	$ 51,503

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Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.

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The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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The weighted average fair value of nonvested awards on equity-based plans excluding option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units.

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Weighted average remaining contractual term for equity-based awards excluding options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements.

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The number of 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.

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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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Number of options outstanding, including both vested and non-vested options.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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As of the balance sheet date, the weighted-average exercise price (at which grantees can acquire the shares reserved for issuance) for exercisable stock options that are fully vested or expected to vest.

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As of the balance sheet date, the number of shares into which fully vested and expected to vest stock options outstanding can be converted under the option plan.

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As of the balance sheet date, the weighted-average exercise price for outstanding stock options that are fully vested or expected to vest.

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Weighted average remaining contractual term for fully vested and expected to vest options outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Number of share instruments newly issued under a share-based compensation plan.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options of the plan that expired.

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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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