Note 4 - Business Combination - Estimated Useful Life of Acquisition-related Intangibles (Details) - NanoString [Member]	Dec. 03, 2019
Prosigna Product Technology [Member]
Estimated useful life (Year)	15 years
Prosigna Customer Relationships [Member]
Estimated useful life (Year)	5 years
nCounter FLEX Dx License [Member]
Estimated useful life (Year)	15 years
LymphMark Product Technology [Member]
Estimated useful life (Year)	7 years

Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275

Name:	us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration