XML 96 R80.htm IDEA: XBRL DOCUMENT v3.21.2
INCOME TAX - U.S. federal income tax rate (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
INCOME TAXES          
Tax computed at the statutory U.S. federal income tax rate     $ (3,209) $ 874 $ (903)
State and local taxes     1,073 487 433
Valuation allowances     8,564 (324) 1,296
Share-based compensation     2,287 2,002 1,453
Differences in foreign tax rate     (822) (45) (12)
Uncertain tax positions     684 1,494 771
Other     (257) 221 51
Income tax $ 1,731 $ 2,573 $ 8,320 $ 4,709 $ 3,089