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INCOME TAXES (Details) - USD ($)
3 Months Ended 6 Months Ended
Sep. 30, 2018
Mar. 31, 2018
Sep. 30, 2018
Income Tax Contingency [Line Items]      
Proceeds from Equity Method Investment, Distribution, Return of Capital     $ 17,100,000
Total gross unrecognized tax benefits including interest $ 9,632,932 $ 8,809,626 9,632,932
Unrecognized tax benefits that are permanent in nature and, if recognized, would affect the annual effective tax rate 7,713,138 $ 6,884,299 7,713,138
Gross unrecognized tax benefits expected to be resolved during the next 12 months through settlements with taxing authorities or the expiration of the statute of limitations 4,164,306   4,164,306
Accrued gross interest $ 2,725,865   2,725,865
Current period gross interest expense     $ 862,465
Effective Income Tax Rate Reconciliation, Percent 20.40% 35.10%