|
Note 16 - Benefit Plans (Details) - Stock Options Outstanding (USD $)
|
12 Months Ended |
|
Dec. 31, 2013
|
| Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
|
| Number Outstanding (in Shares) |
1,785,799 |
|
Range of $2.22 - 4.70 [Member]
|
|
| Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
|
| Exercise Price Range, Lower Limit |
$ 2.22 |
| Exercise Price Range, Upper Limit |
$ 4.70 |
| Number Outstanding (in Shares) |
420,097 |
| Weighted Average Remaining Contractual Life |
5 years 328 days |
| Weighted Average Exercise Prices |
$ 4.50 |
|
Range of $4.71 - 6.00 [Member]
|
|
| Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
|
| Exercise Price Range, Lower Limit |
$ 4.71 |
| Exercise Price Range, Upper Limit |
$ 6.00 |
| Number Outstanding (in Shares) |
34,000 |
| Weighted Average Remaining Contractual Life |
4 years 219 days |
| Weighted Average Exercise Prices |
$ 5.13 |
|
Range of $6.01 - 7.55 [Member]
|
|
| Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
|
| Exercise Price Range, Lower Limit |
$ 6.01 |
| Exercise Price Range, Upper Limit |
$ 7.55 |
| Number Outstanding (in Shares) |
1,157,502 |
| Weighted Average Remaining Contractual Life |
6 years 292 days |
| Weighted Average Exercise Prices |
$ 6.99 |
|
Range of $7.56 - 10.58 [Member]
|
|
| Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
|
| Exercise Price Range, Lower Limit |
$ 7.56 |
| Exercise Price Range, Upper Limit |
$ 10.58 |
| Number Outstanding (in Shares) |
44,200 |
| Weighted Average Remaining Contractual Life |
3 years 219 days |
| Weighted Average Exercise Prices |
$ 8.65 |
|
Range of $10.59 - 15.88 [Member]
|
|
| Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
|
| Exercise Price Range, Lower Limit |
$ 10.59 |
| Exercise Price Range, Upper Limit |
$ 15.88 |
| Number Outstanding (in Shares) |
130,000 |
| Weighted Average Remaining Contractual Life |
5 years 292 days |
| Weighted Average Exercise Prices |
$ 13.59 |