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Note 10 - Stock-Based Compensation Plans and Warrants (Details) (USD $)
|
0 Months Ended | 1 Months Ended | 12 Months Ended | 24 Months Ended | 72 Months Ended | 12 Months Ended | 0 Months Ended | 6 Months Ended | 3 Months Ended | 12 Months Ended | 1 Months Ended | 12 Months Ended | 17 Months Ended | 25 Months Ended | 1 Months Ended | 48 Months Ended | |||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Mar. 05, 2013
|
Jan. 09, 2013
|
Oct. 30, 2012
|
Oct. 31, 2012
|
Jun. 30, 2012
|
Nov. 30, 2011
|
Dec. 31, 2013
|
Dec. 31, 2012
|
Dec. 31, 2011
|
Dec. 31, 2013
|
Jun. 30, 2011
|
Dec. 31, 2010
|
Dec. 31, 2013
Employee Stock Option [Member]
|
Dec. 31, 2012
Employee Stock Option [Member]
|
Dec. 31, 2011
Employee Stock Option [Member]
|
Jan. 10, 2011
Restricted Stock [Member]
|
Jun. 30, 2010
Restricted Stock [Member]
|
Dec. 31, 2013
Restricted Stock [Member]
|
Dec. 31, 2013
2003 Management Equity Incentive Plan [Member]
|
Dec. 31, 2013
Outside Director Compensation Plan [Member]
|
Dec. 31, 2013
Outside Director Compensation Plan [Member]
|
May 31, 2009
2007Management Equity Incentive Plan [Member]
|
Dec. 31, 2010
2007Management Equity Incentive Plan [Member]
|
Dec. 31, 2009
2007Management Equity Incentive Plan [Member]
|
Dec. 31, 2008
2007Management Equity Incentive Plan [Member]
|
May 31, 2009
2007Management Equity Incentive Plan [Member]
|
Jan. 31, 2010
2007Management Equity Incentive Plan [Member]
|
Dec. 31, 2013
2007Management Equity Incentive Plan [Member]
|
Nov. 30, 2013
2009 Equity Incentive Plan [Member]
|
Dec. 18, 2009
2009 Equity Incentive Plan [Member]
|
Dec. 31, 2013
2009 Equity Incentive Plan [Member]
|
Dec. 31, 2010
2009 Equity Incentive Plan [Member]
|
Dec. 31, 2013
Director [Member]
|
Dec. 31, 2013
Minimum [Member]
|
Dec. 31, 2013
Maximum [Member]
|
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| Note 10 - Stock-Based Compensation Plans and Warrants (Details) [Line Items] | |||||||||||||||||||||||||||||||||||||||
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number | 842,500 | [1] | 862,500 | 862,500 | 842,500 | [1] | 727,500 | 315,000 | 10,000 | 527,500 | |||||||||||||||||||||||||||||
| Officers' Compensation (in Dollars) | $ 7,500 | $ 30,000 | |||||||||||||||||||||||||||||||||||||
| Allocated Share-based Compensation Expense (in Dollars) | 100,000 | 99,000 | 1,130,000 | 5,000 | 20,000 | ||||||||||||||||||||||||||||||||||
| Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized | 850,000 | 850,000 | |||||||||||||||||||||||||||||||||||||
| Share-based Compensation Arrangement by Share-based Payment Award, Terms of Award | ten | ||||||||||||||||||||||||||||||||||||||
| Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period | 24 months | ||||||||||||||||||||||||||||||||||||||
| Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in Period | 666,667 | 537,500 | |||||||||||||||||||||||||||||||||||||
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period | 10,000 | ||||||||||||||||||||||||||||||||||||||
| Share Based Compensation Arrangement by Share Based Payment Award Options Outstanding and Unexercised Number | 842,500 | 842,500 | |||||||||||||||||||||||||||||||||||||
| Share-based Compensation (in Dollars) | 373,000 | 516,000 | 383,000 | 2,376,000 | 43,000 | 284,000 | 1,245,000 | ||||||||||||||||||||||||||||||||
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period | 0 | 0 | 0 | ||||||||||||||||||||||||||||||||||||
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value (in Dollars per share) | $ 7.28 | ||||||||||||||||||||||||||||||||||||||
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross | 0 | 135,000 | 0 | ||||||||||||||||||||||||||||||||||||
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price (in Dollars per share) | $ 11.84 | $ 11.92 | $ 11.92 | $ 11.84 | $ 11.86 | $ 9.88 | $ 13.95 | ||||||||||||||||||||||||||||||||
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures | 19,483 | 527,500 | 140,000 | 115,000 | 90,000 | 150,000 | 150,000 | 150,000 | 100,000 | 250,000 | |||||||||||||||||||||||||||||
| Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant | 25,235 | 25,235 | 595,000 | ||||||||||||||||||||||||||||||||||||
| Common Stock, Shares, Issued | 250,000 | 16,152,756 | 15,438,961 | 16,152,756 | 42,265 | ||||||||||||||||||||||||||||||||||
| Share-based Goods and Nonemployee Services Transaction, Quantity of Securities Issued | 92,265 | ||||||||||||||||||||||||||||||||||||||
| Proceeds from Issuance of Private Placement (in Dollars) | 6,000,000 | ||||||||||||||||||||||||||||||||||||||
| Sale of Stock, Price Per Share (in Dollars per share) | $ 9 | ||||||||||||||||||||||||||||||||||||||
| Base For Issuing Purchase Warrants | 3 | ||||||||||||||||||||||||||||||||||||||
| Warrant Issued | 1 | ||||||||||||||||||||||||||||||||||||||
| Class of Warrant or Right, Exercise Price of Warrants or Rights (in Dollars per Item) | 10 | 13 | |||||||||||||||||||||||||||||||||||||
| Proceeds from Lines of Credit (in Dollars) | $ 17,500,000 | $ 5,000,000 | $ 5,000,000 | ||||||||||||||||||||||||||||||||||||
| Class of Warrant or Right, Outstanding | 472,222 | 472,222 | |||||||||||||||||||||||||||||||||||||
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