Note 15 - Subsequent Events (Details) (USD $) In Thousands, unless otherwise specified	0 Months Ended	1 Months Ended	0 Months Ended		7 Months Ended	0 Months Ended
	Jun. 02, 2014 Subsequent Event [Member] Medegen Medical Products [Member]	Jun. 30, 2014 Subsequent Event [Member] Medegen Medical Products [Member]	Jun. 02, 2014 Subsequent Event [Member] Term Loan and Revolving Credit Facility [Member]	Jun. 02, 2014 Subsequent Event [Member] Amended Credit Agreement [Member]	Dec. 31, 2014 Subsequent Event [Member] Amended Credit Agreement [Member]	Jun. 02, 2014 Subsequent Event [Member] Working Capital [Member]	May 17, 2013 "New Credit Agreement" [Member]
Note 15 - Subsequent Events (Details) [Line Items]
Percentage Of Ownership Sold	100.00%
Proceeds from Divestiture of Businesses	$ 78,628	$ 78,628				$ 38,628
Repayments of Debt			40,000
Line of Credit Facility, Maximum Borrowing Capacity				55,000			65,000
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage				0.375%	0.375%
Line of Credit Facility, Maximum Amount Used to Calculate Commitment Fee				$ 30,000	$ 30,000