Quarterly report pursuant to Section 13 or 15(d)

Note 1 - Basis of Presentation and Summary of Significant Accounting Policies (Details Textual)

v3.3.1.900
Note 1 - Basis of Presentation and Summary of Significant Accounting Policies (Details Textual) - USD ($)
$ in Thousands
Nov. 03, 2014
Dec. 31, 2015
Jun. 30, 2015
CyVek, Inc. [Member]      
Payments to Acquire Businesses, Gross $ 62,000    
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Contingent Liability $ 35,000    
Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Contingent Liability, Percentage 50.00%    
Business Combination, Milestone Payment Threshold $ 100,000    
Business Combination, Liabilities Arising from Contingencies, Amount Recognized   $ 35,000  
Inventory Valuation Reserves   24,000 $ 24,000
Available-for-sale Securities   51,500 56,400
Available-for-sale Securities, Amortized Cost Basis   29,500 33,600
Inventory, Net   $ 58,675 $ 49,577