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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.

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Face amount or stated value per share of common stock.

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Unrecognized cost of unvested share-based compensation awards.

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Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Description of award terms as to how many shares or portion of an award are no longer contingent on satisfaction of either a service condition, market condition or a performance condition, thereby giving the employee the legal right to convert the award to shares, to sell the shares, and be entitled to the cash proceeds of such sale. For example, vesting may be expressed as being 25 percent of the shares under option on each anniversary of the grant date.

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Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash.

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Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Gross number of share options (or share units) granted during the period.

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

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Note 11 - Stockholders' Equity (Details) (USD $)	12 Months Ended
Note 11 - Stockholders' Equity (Details) (USD $)	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Jun. 15, 1989	Nov. 30, 2006	Dec. 12, 2007
Note 11 - Stockholders' Equity (Details) [Line Items]
Common Stock, Par or Stated Value Per Share (in Dollars per share)	$ 0.01	$ 0.01
Allocated Share-based Compensation Expense		$ 515,933	$ 461,195
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number (in Shares)	259,730
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period (in Shares)	28,000	16,650
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value	310,520	90,988
Selling, General and Administrative Expenses [Member]
Note 11 - Stockholders' Equity (Details) [Line Items]
Allocated Share-based Compensation Expense		462,000	235,000
Restricted Stock [Member]
Note 11 - Stockholders' Equity (Details) [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value	135,000	123,000
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized	88,000
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition	1 year 127 days
Restricted Stock Units (RSUs) [Member]
Note 11 - Stockholders' Equity (Details) [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value	383,000	190,000
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized	$ 1,210,000
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition	2 years 69 days
Minimum [Member] \| The 1989 Non-Qualified Stock Option Plan [Member]
Note 11 - Stockholders' Equity (Details) [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period	5 years
Minimum [Member]
Note 11 - Stockholders' Equity (Details) [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period	7 years
Maximum [Member] \| The 1989 Non-Qualified Stock Option Plan [Member]
Note 11 - Stockholders' Equity (Details) [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period	7 years
Maximum [Member]
Note 11 - Stockholders' Equity (Details) [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period	10 years
Director [Member] \| The 2001 Non-Qualified Stock Option Plan [Member]
Note 11 - Stockholders' Equity (Details) [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross (in Shares)				14,000
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price (in Dollars per share)				$ 7.90
Directors and Key Employees [Member] \| The 2007 Share Incentive Plan [Member]
Note 11 - Stockholders' Equity (Details) [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross (in Shares)	42,320	28,087
Key Employee [Member] \| The 2007 Share Incentive Plan [Member]
Note 11 - Stockholders' Equity (Details) [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross (in Shares)	100,000
The 1989 Non-Qualified Stock Option Plan [Member]
Note 11 - Stockholders' Equity (Details) [Line Items]
Common Stock, Capital Shares Reserved for Future Issuance (in Shares)					700,000
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	4 years
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross (in Shares)	0	0
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price (in Dollars per share)	$ 0	$ 0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number (in Shares)	35,250	35,250	41,900
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period (in Shares)	0	6,650
The 2001 Non-Qualified Stock Option Plan [Member]
Note 11 - Stockholders' Equity (Details) [Line Items]
Common Stock, Capital Shares Reserved for Future Issuance (in Shares)						300,000
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	4 years
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period				10 years
Common Stock, Par or Stated Value Per Share (in Dollars per share)						$ 0.01
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross (in Shares)	0	0	0
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price (in Dollars per share)	$ 0	$ 0
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights				25%
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number (in Shares)	124,480	152,480	162,480
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period (in Shares)	28,000	10,000
The 2007 Share Incentive Plan [Member]
Note 11 - Stockholders' Equity (Details) [Line Items]
Common Stock, Capital Shares Reserved for Future Issuance (in Shares)							750,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross (in Shares)	100,000	0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number (in Shares)	100,000	0	200
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period (in Shares)	0	0