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INCOME TAXES (Details)
 3 Months Ended 6 Months Ended
Sep. 30, 2017
USD ($)
foreign_subsidiary
Sep. 30, 2016
Sep. 30, 2017
USD ($)
foreign_subsidiary
Mar. 31, 2017
USD ($)
Income Tax Contingency [Line Items]        
Number of foreign subsidiaries required to be assessed | foreign_subsidiary 2   2  
Cumulative undistributed net earnings permanently reinvested in Mexican foreign subsidiaries $ 800,000   $ 800,000  
Deferred Tax Liability Not Recognized, Amount of Unrecognized Deferred Tax Liability, Undistributed Earnings of Foreign Subsidiaries 6,213,175   6,213,175  
Total gross unrecognized tax benefits including interest 9,166,157   9,166,157 $ 8,906,880
Unrecognized tax benefits that are permanent in nature and, if recognized, would affect the annual effective tax rate 7,400,326   7,400,326 $ 7,223,668
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 4,380,661   4,380,661  
Accrued gross interest $ 1,847,904   1,847,904  
Current period gross interest expense     205,988  
Effective Income Tax Rate Reconciliation, Percent 40.00% 36.60%    
WAC de Mexico, S.A. de C.V., SOFOM ENR [Member]        
Income Tax Contingency [Line Items]        
Cumulative undistributed net earnings permanently reinvested in Mexican foreign subsidiaries $ 23,700,000   $ 23,700,000