Note 5 - Research and Development Tax Rebate Receivable (Details Textual) - USD ($)	3 Months Ended	9 Months Ended
Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2018	May 23, 2017
Research and Development Expense, Total	$ 1,684,215	$ 1,421,851	$ 5,747,399	$ 3,360,563
Increase (Decrease) in Research and Development Tax Rebate Receivable			50,882	122,218
Research and Development Tax Rebate Receivable	568,980		568,980		$ 518,098
Atossa Genetics AUS Pty Ltd [Member]
Research and Development Cash Rebate per Dollar						$ 0.435
Research and Development Expense, Total	449,000	$ 148,000	916,000	764,000
Increase (Decrease) in Research and Development Tax Rebate Receivable			398,000	$ 333,000
Research and Development Tax Rebate Receivable	$ 569,000		$ 569,000		$ 171,000

The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 985
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6501960&loc=d3e128462-111756

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 730
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6420194&loc=d3e21568-108373

Name:	us-gaap_ResearchAndDevelopmentExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration