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Note 14 - Income Taxes (Details) (USD $)
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12 Months Ended | 3 Months Ended | 12 Months Ended | ||||
|---|---|---|---|---|---|---|---|
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Dec. 31, 2013
|
Dec. 31, 2012
|
Dec. 31, 2011
|
Dec. 31, 2010
|
Dec. 31, 2011
Wage Credits [Member]
|
Dec. 31, 2011
State Net Operating Losses [Member]
|
Dec. 31, 2011
Recognition of Certain Tax Credits [Member]
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| Note 14 - Income Taxes (Details) [Line Items] | |||||||
| Operating Loss Carryforwards | $ 10,300,000 | ||||||
| Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent | 35.00% | 35.00% | 35.00% | ||||
| Income Tax Expense (Benefit) | 15,464,000 | 6,895,000 | 17,728,000 | 490,000 | |||
| Valuation Allowance, Deferred Tax Asset, Change in Amount | 1,025,000 | 95,000 | |||||
| Unrecognized Tax Benefits | 1,572,000 | 1,514,000 | 1,513,000 | 896,000 | |||
| Unrecognized Tax Benefits, Interest on Income Taxes Accrued | 81,000 | 53,000 | 33,000 | ||||
| Unrecognized Tax Benefits, Income Tax Penalties Accrued | $ 26,000 | $ 2,000 | $ 166,000 | ||||