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Note 2 - Income Per Share - Antidilutive Securities Excluded from Calculation of Diluted Income (Loss) Per Share (Details) - shares	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Total anti-dilutive securities (in shares)	4,931,831	8,313,003	4,981,894	8,313,003
Restricted Stock Units (RSUs) [Member]
Total anti-dilutive securities (in shares)	1,589,498	3,794,227	1,639,561	3,794,227
Share-based Payment Arrangement, Option [Member]
Total anti-dilutive securities (in shares)	2,509,000	2,120,000	2,509,000	2,120,000
Warrant [Member]
Total anti-dilutive securities (in shares)	833,333	2,398,776	833,333	2,398,776

X

- Definition

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

+ Details

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