Quarterly report pursuant to Section 13 or 15(d)

Note 3 - Discontinued Operations (Details Textual)

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Note 3 - Discontinued Operations (Details Textual) - USD ($)
3 Months Ended
Apr. 02, 2018
Mar. 03, 2017
Mar. 31, 2018
Mar. 31, 2017
Discontinued Operation, Gain (Loss) on Disposal of Discontinued Operation, Net of Tax, Total     $ 88,701,501
Sale of Assets to Cardinal Health 414 [Member]        
Sale of Assets, Cash Received from Buyer, After Adjustments, Inventory Transferred   $ 80,600,000    
Sale of Assets, Cash Received from Buyer, After Adjustments, Advances of Guaranteed Earnout Payments   $ 3,000,000    
Discontinued Operation, Gain (Loss) on Disposal of Discontinued Operation, Net of Tax, Total       88,700,000
Discontinued Operation, Gain (Loss) on Disposal of Discontinued Operation, Net of Tax, Guaranteed Consideration       16,500,000
Warrants Issued During Period, Value Issued, Asset Sale       3,300,000
Sale of Assets, Legal and Other Fees Related to the Sale       2,000,000
Sale of Assets, Net Balance Sheet Dispositions and Write-offs       800,000
Discontinued Operation, Tax Effect of Gain (Loss) from Disposal of Discontinued Operation       $ 4,600,000
Sale of Assets to Cardinal Health 414 [Member] | Subsequent Event [Member]        
Sale of Assets, Cash Received from Buyer as Result of Amendment $ 6,000,000      
Sale of Assets, Maximum Amount Receivable from Buyer for Unused Portion of Letter of Credit $ 7,100,000