Note 18 - Gross Sales and Long Lived Tangible Assets for the Entity's Domestic and Foreign Entities (Details) - USD ($) $ in Thousands	3 Months Ended				12 Months Ended
	Dec. 31, 2015		Dec. 31, 2014		Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Domestic [Member]
Gross sales					$ 237,146	$ 186,735	$ 153,202
Long-lived assets	$ 93,142		$ 64,995		93,142	64,995	59,496
Foreign [Member]
Gross sales					196,710	187,415	164,010
Long-lived assets	132,099		151,386		132,099	151,386	155,151
Gross sales	156,943	[1]	128,841	[2]	433,856	374,150	317,212
Long-lived assets	$ 225,241		$ 216,381		$ 225,241	$ 216,381	$ 214,647

[1] Income from continuing operations includes restructuring expenses of $15,573 and a tax benefit of $1,464 related to the decision to sell our finished dosage form facility in Hyderabad, India.

[2] Income from continuing operations includes a gain on sale of land of $1,234 and a corresponding tax expense of $387, a benefit of $11,719 for the reversal of a valuation allowance on deferred tax assets, a benefit of $3,948 for favorable audit settlements, and expense of $7,170 related to a voluntary lump sum pension settlement.