Annual report pursuant to Section 13 and 15(d)

INCOME TAXES - Schedule of Gross Unrecognized Tax Benefits (Details)

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INCOME TAXES - Schedule of Gross Unrecognized Tax Benefits (Details) - USD ($)
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Income Tax Disclosure [Abstract]    
Beginning balance   $ 29,124
Increases related to tax positions taken during the prior year $ 45,207  
Increases related to tax positions taken during the current year 1,492 4,565
Other adjustments   $ (33,689)
Ending balance $ 46,699