Note M - Segment Information (Details) (USD $)	12 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
Note M - Segment Information (Details) [Line Items]
Number of Reportable Segments	3
Revenue, Net (in Dollars)	$ 73,942,000	$ 62,797,000
Sales Revenue, Net [Member] | Geographic Concentration Risk [Member] | Natural Alternatives International Europe Sa [Member] | Markets Outside the United States [Member]
Note M - Segment Information (Details) [Line Items]
Concentration Risk, Percentage	57.00%	67.00%
Natural Alternatives International Europe Sa [Member] | UNITED STATES
Note M - Segment Information (Details) [Line Items]
Revenue, Net (in Dollars)	0	0
Markets Outside the United States [Member]
Note M - Segment Information (Details) [Line Items]
Revenue, Net (in Dollars)	35,213,000	26,087,000
UNITED STATES
Note M - Segment Information (Details) [Line Items]
Revenue, Net (in Dollars)	$ 38,729,000	$ 36,710,000