Note 15 - Commitments and Contingencies (Details) (USD $)
12 Months Ended 0 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Sep. 27, 2011
Jun. 21, 2011
Apr. 01, 2011
Note 15 - Commitments and Contingencies (Details) [Line Items]            
Operating Leases, Rent Expense, Net $ 8,193,000 $ 5,990,000 $ 3,980,000      
Value of Open Purchase Orders 10,278,000          
Number of Claims Confirming Patentability Related to Action Closing Prosecution         4  
Number of Claims Deemed Patentable           1
Estimated Litigation Liability 0 0        
Netlist Inc [Member]            
Note 15 - Commitments and Contingencies (Details) [Line Items]            
Loss Contingency, Claims Dismissed, Number       91    
Loss Contingency, Pending Claims, Number       97    
Cortina Systems, Inc. [Member]            
Note 15 - Commitments and Contingencies (Details) [Line Items]            
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Contingent Liability 750,000          
Amount to be Refunded from Escrow $ 750,000