Note 2 - Acquisitions - Condensed Consolidated Financial Statements by Acquisition (Details) - USD ($)	12 Months Ended
	Jun. 30, 2015
Novus Holdings, LLC [Member]
Net sales	$ 21,092,000
Net income (loss)	(610,000)
Amortization expense	1,898,000
Costs recognized on sale of acquired inventory	1,946,000
ProteinSimple [Member]
Net sales	65,512,000
Net income (loss)	(3,624,000)
Amortization expense	11,364,000
Costs recognized on sale of acquired inventory	1,444,000
CyVek, Inc. [Member]
Net sales	735,000
Net income (loss)	(4,196,000)
Amortization expense	981,000
Costs recognized on sale of acquired inventory	64,000
Net sales	452,246,000
Net income (loss)	107,735,000
Costs recognized on sale of acquired inventory	$ 6,961,000

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.