v3.8.0.1
Document and Entity Information - shares
9 Months Ended
Dec. 31, 2017
Feb. 07, 2018
Document And Entity Information    
Entity Registrant Name Castle Brands Inc  
Entity Central Index Key 0001311538  
Document Type 10-Q  
Document Period End Date Dec. 31, 2017  
Amendment Flag false  
Current Fiscal Year End Date --03-31  
Entity Filer Category Accelerated Filer  
Entity Common Stock, Shares Outstanding   166,141,838
Trading Symbol ROX  
Document Fiscal Period Focus Q3  
Document Fiscal Year Focus 2018