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Note 4 - Supplemental Balance Sheets Information (Details Textual) - USD ($) $ in Thousands	2 Months Ended	9 Months Ended
	Dec. 31, 2021	Dec. 31, 2021	Dec. 31, 2020	Oct. 20, 2021	Mar. 31, 2021
Amortization of Inventory Step-up Cost		$ 6,062	$ (436)
Other Assets [Member]
Operating Lease, Right-of-Use Asset	$ 10,785	10,785			$ 1,930
Other Accrued Expenses and Other Long-term Liabilities [Member]
Operating Lease, Liability, Total	10,604	10,604			$ 1,700
Agena [Member]
Inventory Step-up Cost				$ 6,062
Amortization of Inventory Step-up Cost	6,062
Clinical Genomics [Member] | Agena [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory	$ 11,560	$ 11,560

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- Definition

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+ References

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- Definition

The amount of inventory recognized as of the acquisition date.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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-Topic 805
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- Definition

Present value of lessee's discounted obligation for lease payments from operating lease.

+ References

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-Publisher FASB
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-Topic 842
-SubTopic 20
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- Definition

Amount of lessee's right to use underlying asset under operating lease.

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