Annual report pursuant to Section 13 and 15(d)

INCOME TAXES - Effective Tax Rates Differ from Statutory Federal Income Tax (Details)

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INCOME TAXES - Effective Tax Rates Differ from Statutory Federal Income Tax (Details)
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Income Tax Disclosure [Abstract]      
Statutory Federal Income Tax Rate 21.00% 21.00% 21.00%
Stock Compensation Expense (2.10%) (0.30%) (0.50%)
Non Deductible Goodwill Impairment 0.00% (10.20%) 0.00%
Contingent Consideration Liability Fair Value Adjustment 1.70% 0.00% 0.00%
Other (0.70%) 0.00% 0.50%
Foreign Tax Rate Differential (2.70%) (1.00%) 1.40%
State Income Tax, Net of Federal Income Tax Effect 2.20% 3.30% 6.00%
Research and Development Tax Credits 12.80% 2.20% (4.60%)
Change in Valuation Allowance (29.80%) (19.20%) 1.10%
Net GILTI and FDII Tax Benefit 0 0 (0.012)
Foreign Tax Credit for Dividend Withholding 1.70% 0.00% 0.00%
Tax Rate Change on 2020 Federal Net Operating Loss Carryback 0.90% 1.30% 0.00%
Other 0.10% (0.10%) 0.10%
Effective Tax Rate 5.10% (3.00%) 23.80%