Note 14 - Subsequent Events (Details Textual) - USD ($) $ in Thousands				9 Months Ended
	Apr. 06, 2021	Apr. 02, 2021	Oct. 20, 2020	Mar. 31, 2021	Mar. 31, 2020
Payments to Acquire Businesses, Net of Cash Acquired, Total				$ 9,765	$ (0)
Changzhou Eminence Biotechnology [Member]
Payments to Acquire Businesses, Net of Cash Acquired, Total			$ 9,765
Subsequent Event [Member] \| Acquisition of Asuragen, Inc. [Member]
Payments to Acquire Businesses, Net of Cash Acquired, Total	$ 215,000
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High	$ 105,000
Subsequent Event [Member] \| Changzhou Eminence Biotechnology [Member]
Payments to Acquire Businesses, Gross		$ 6,000
Business Combination, Step Acquisition, Equity Interest in Acquiree, including Subsequent Acquisition, Percentage, Total		57.42%