Note 7 - Revenues by Product Platform (Details) - USD ($)	12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Product Concentration Risk [Member] | AXP [Member]
Revenues by Product Platform	$ 6,612,000	$ 6,143,000
Product Concentration Risk [Member] | BioArchive [Member]
Revenues by Product Platform	4,241,000	4,776,000
Product Concentration Risk [Member] | Manual Disposables [Member]
Revenues by Product Platform	1,810,000	1,706,000
Product Concentration Risk [Member] | Bone Marrow [Member]
Revenues by Product Platform	2,621,000	2,542,000
Product Concentration Risk [Member] | Other Segments [Member]
Revenues by Product Platform	758,000	820,000
Revenues by Product Platform	$ 16,042,000	$ 15,987,000