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Note 17 - Commitments and Contingencies (Details Textual) - USD ($)
2 Months Ended 12 Months Ended
Feb. 29, 2016
Dec. 31, 2015
Dec. 31, 2014
Subsequent Event [Member] | Pulso [Member]      
Sale Leaseback Transaction, Annual Rental Payments $ 936,000    
Operating Leases Maximum Expiration Period   10 years  
Operating Leases, Rent Expense, Net   $ 2,700,000 $ 2,849,000
Purchase Obligation   $ 6,168,000