|
Note 16 - Stock-based Compensation (Details) - Options Outstanding and Exercisable (USD $)
|
12 Months Ended |
|
Dec. 31, 2013
|
| Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
|
| Range of Prices, Upper Limit |
$ 2.11 |
|
$0.77 [Member]
|
|
| Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
|
| Range of Prices, Weighted Average Exercise Price |
$ 0.77 |
| Options Outstanding (in Shares) |
250,000 |
| Options Outstanding Weighted Avg. Remaining Contracutal Term in Years |
8 years |
| Options Outstanding Weighted Avg. Exercise Price |
$ 0.77 |
| Options Exercisable (in Shares) |
125,000 |
| Options Excercisable Weighted Avg. Exercise Price |
$ 0.77 |
|
$1.00 - 1.15 [Member]
|
|
| Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
|
| Range of Prices, Lower Limit |
$ 1.00 |
| Range of Prices, Weighted Average Exercise Price |
$ 1.01 |
| Range of Prices, Upper Limit |
$ 1.15 |
| Options Outstanding (in Shares) |
575,000 |
| Options Outstanding Weighted Avg. Remaining Contracutal Term in Years |
5 years |
| Options Outstanding Weighted Avg. Exercise Price |
$ 1.01 |
| Options Exercisable (in Shares) |
568,750 |
| Options Excercisable Weighted Avg. Exercise Price |
$ 1.01 |
|
$1.89 - 2.11 [Member]
|
|
| Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
|
| Range of Prices, Lower Limit |
$ 1.89 |
| Range of Prices, Weighted Average Exercise Price |
$ 2.01 |
| Range of Prices, Upper Limit |
$ 2.11 |
| Options Outstanding (in Shares) |
1,085,000 |
| Options Outstanding Weighted Avg. Remaining Contracutal Term in Years |
5 years |
| Options Outstanding Weighted Avg. Exercise Price |
$ 2.01 |
| Options Exercisable (in Shares) |
1,085,000 |
| Options Excercisable Weighted Avg. Exercise Price |
$ 2.01 |
|
$.77 - 2.11 [Member]
|
|
| Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
|
| Range of Prices, Lower Limit |
$ 0.77 |
| Range of Prices, Weighted Average Exercise Price |
$ 1.57 |
| Range of Prices, Upper Limit |
$ 2.11 |
| Options Outstanding (in Shares) |
1,910,000 |
| Options Outstanding Weighted Avg. Remaining Contracutal Term in Years |
6 years |
| Options Outstanding Weighted Avg. Exercise Price |
$ 1.57 |
| Options Exercisable (in Shares) |
1,778,750 |
| Options Excercisable Weighted Avg. Exercise Price |
$ 1.60 |