Note 11 - Concentrations (Tables)

6 Months Ended

Dec. 31, 2017

Notes Tables

Schedules of Concentration of Risk, by Risk Factor [Table Text Block]

	Six Months Ended December 31,		Years Ended June 30,
	2017		2017		2016
BioArchive	$	2,642,000	$	3,318,000	$	2,465,000
AXP		2,577,000		8,715,000		6,932,000
Manual Disposables		498,000		1,195,000		1,507,000
Bone Marrow		191,000		745,000		459,000
Other		105,000		552,000		566,000
	$	6,013,000	$	14,525,000	$	11,929,000

Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area [Table Text Block]

	Six Months Ended December 31,		Years Ended June 30,
	2017		2017		2016
China	$	2,176,000	$	3,296,000	$	2,797,000
United States		1,970,000		6,675,000		5,122,000
Asia – other		983,000		1,951,000		1,955,000
Europe		721,000		1,739,000		1,343,000
Other		163,000		864,000		712,000
	$	6,013,000	$	14,525,000	$	11,929,000

Schedule of Disclosure on Geographic Areas, Long-Lived Assets in Individual Foreign Countries by Country [Table Text Block]

	Six Months Ended December 31,		Years Ended June 30,
	2017		2017		2016
United States	$	2,265,000	$	1,559,000	$	2,030,000
Costa Rica		276,000		322,000		367,000
India		288,000		261,000		279,000
All other countries		167,000		188,000		286,000
Total equipment, net	$	2,996,000	$	2,330,000	$	2,962,000