XML 40 R28.htm IDEA: XBRL DOCUMENT v3.21.2
Note 2 - (Loss) Income Per Share - Antidilutive Securities Excluded from Calculation of Diluted Income (Loss) Per Share (Details) - shares
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Total anti-dilutive securities (in shares) 5,852,121 4,931,831 5,852,121 4,981,894
Restricted Stock Units (RSUs) [Member]        
Total anti-dilutive securities (in shares) 2,814,788 1,589,498 2,814,788 1,639,561
Share-based Payment Arrangement, Option [Member]        
Total anti-dilutive securities (in shares) 2,204,000 2,509,000 2,204,000 2,509,000
Warrant [Member]        
Total anti-dilutive securities (in shares) 833,333 833,333 833,333 833,333