INCOME TAXES - Others (Details) - USD ($)		12 Months Ended
Dec. 22, 2017	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
INCOME TAXES
Effective tax rate	35.00%	21.00%	21.00%	35.00%
Reduction in deferred tax liability due to 2017 Tax Act				$ 176,000
Interest and penalties		$ 0	$ 0

Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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The sum of the amounts of estimated penalties and interest recognized in the period arising from income tax examinations.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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Amount of decrease in deferred tax liability previously recognized attributable to taxable temporary differences from undistributed earnings of foreign subsidiary and other recognized entity now subject to transition tax.

+ References

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-Publisher FASB
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