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Note 2 - Summary of Significant Accounting Policies (Tables)
9 Months Ended
Sep. 30, 2021
Accounting Policies [Abstract]  
Schedule of Weighted Average Number of Shares [Table Text Block]

The following table presents the calculation of weighted average shares used to calculate basic and diluted earnings (loss) per share (in thousands, except share and per share amounts):

 

 

 

Three Months Ended

 

 

Nine Months Ended

 

 

 

September 30, 2021

 

 

September 30, 2020

 

 

September 30, 2021

 

 

September 30, 2020

 

Basic net income (loss) per common share

 

 

 

 

 

 

 

 

 

 

 

 

Net income (loss)

 

$

8,087

 

 

$

(1,843

)

 

$

(27,689

)

 

$

(6,078

)

Undistributed earnings allocated to participating securities

 

 

(2,969

)

 

 

 

 

 

 

 

 

 

Net income (loss) attributable to common shares - basic

 

$

5,118

 

 

$

(1,843

)

 

$

(27,689

)

 

$

(6,078

)

Weighted average shares used in calculating basic earnings (loss) per share

 

 

12,100,292

 

 

 

2,774,502

 

 

 

7,902,104

 

 

 

2,774,237

 

Basic net income (loss) per common share

 

$

0.42

 

 

$

(0.66

)

 

$

(3.50

)

 

$

(2.19

)

 

 

 

 

 

 

 

 

 

 

 

 

 

Diluted net income (loss) per common share

 

 

 

 

 

 

 

 

 

 

 

 

Net income (loss)

 

$

8,087

 

 

$

(1,843

)

 

$

(27,689

)

 

$

(6,078

)

Change in fair value of warrants

 

 

 

 

 

 

 

 

(5,119

)

 

 

 

Undistributed earnings allocated to participating securities

 

 

(2,968

)

 

 

 

 

 

 

 

 

 

Net income (loss) attributable to common shares - diluted

 

$

5,119

 

 

$

(1,843

)

 

$

(32,808

)

 

$

(6,078

)

Weighted-average shares outstanding

 

 

12,100,292

 

 

 

2,774,502

 

 

 

7,902,104

 

 

 

2,774,237

 

Effect of potentially dilutive securities

 

 

6,479

 

 

 

 

 

 

50,894

 

 

 

 

Weighted average shares used in calculating diluted earnings (loss) per share

 

 

12,106,771

 

 

 

2,774,502

 

 

 

7,952,998

 

 

 

2,774,237

 

Diluted net income (loss) per common share

 

$

0.42

 

 

$

(0.66

)

 

$

(4.13

)

 

$

(2.19

)

 

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]

 

 

 

September 30,

 

 

 

2021

 

 

2020

 

Employee stock options

 

 

799,562

 

 

 

826,771

 

Warrants for common stock

 

 

8,491,006

 

 

 

100,393

 

Series C convertible preferred stock

 

 

 

 

 

317,420

 

Total

 

 

9,290,568

 

 

 

1,244,584