Note 6 - Property, Plant and Equipment (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013	Dec. 31, 2013
Note 6 - Property, Plant and Equipment (Details) [Line Items]
Property, Plant and Equipment, Net	$ 135,695,000		$ 135,695,000		$ 82,108,000
Depreciation	3,600,000	1,600,000	5,500,000	3,200,000
Hi-Tech Pharmacal Co., Inc [Member]
Note 6 - Property, Plant and Equipment (Details) [Line Items]
Property, Plant and Equipment, Gross, Period Increase (Decrease)			53,600,000
INDIA
Note 6 - Property, Plant and Equipment (Details) [Line Items]
Property, Plant and Equipment, Net		$ 22,500,000		$ 22,500,000	$ 21,100,000