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Note 1 - Basis of Presentation (Details) (USD $) | 3 Months Ended |
--- | --- | ---
Mar. 31, 2014 | Mar. 31, 2013 | Dec. 31, 2013
Note 1 - Basis of Presentation (Details) [Line Items] |  |  |
Number of Reportable Segments | 1 |  |
Property, Plant and Equipment, Depreciation Methods | straight-line |  |
Minimum Percentage of Receivable Balances for creating Allowance for Doubtful Accounts | 85.00% |  |
Period for Creating Allowance for Doubtful Accounts | 120 |  |
Excalibur [Member] |  |  |
Note 1 - Basis of Presentation (Details) [Line Items] |  |  |
Variable Interest Entity, Measure of Activity, Revenues | $ 400,000 | $ 0 |
Liabilities of Business Transferred under Contractual Arrangement, Noncurrent | 2,600,000 |  | 3,100,000
Due to Related Parties, Current | $ 1,100,000 |  | $ 700,000

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