Note 1 - Basis of Presentation and Summary of Significant Accounting Policies (Details Textual) $ in Thousands		1 Months Ended	3 Months Ended
		Sep. 30, 2021 USD ($)	Sep. 30, 2021 USD ($)
Number of Operating Segments			2
Restructuring Charges, Total	[1]		$ 1,185
Payments for Restructuring			0
Restructuring Reserve, Settled without Cash			$ 0
Diagnostics and Genomics [Member]
Restructuring Charges, Total		$ 1,200

[1] The charges recorded above are accrued within Other current liabilities as of September 30, 2021. There were no cash payments or adjustments to the initial accrual during the period ended September 30, 2021.