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Note 18 - Stockholders' Equity - Reserved Shares (Details)	Dec. 31, 2020 shares
Shares reserved (in shares)	7,377,160
Series A Preferred Stock [Member]
Shares reserved (in shares)	5,482,000
Series B Preferred Stock [Member]
Shares reserved (in shares)	1,700,000
Series A Preferred Stock Warrants [Member]
Shares reserved (in shares)	195,160

X

- Definition

Aggregate number of common shares reserved for future issuance.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.29)
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

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- Details

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X

- Details

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X

- Details

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