Note H - Segment Information (Details Textual) (USD $)	3 Months Ended		6 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2014	Dec. 31, 2013
Segment Reporting [Abstract]
Number of Reportable Segments			3
Revenue, Net	$ 18,618,000	$ 16,475,000	$ 37,313,000	$ 33,630,000
UNITED STATES
Segment Reporting [Abstract]
Revenue, Net	9,373,000	8,215,000	19,084,000	17,702,000
Natural Alternatives International Europe SA [Member] | UNITED STATES
Segment Reporting [Abstract]
Revenue, Net			$ 0	$ 0
Sales Revenue, Net [Member] | Geographic Concentration Risk [Member] | Natural Alternatives International Europe SA [Member]
Segment Reporting [Abstract]
Concentration Risk, Percentage	75.00%	49.00%	71.00%	52.00%