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EXCEL - IDEA: XBRL DOCUMENT - HI TECH PHARMACAL CO INCFinancial_Report.xls
10-Q - FORM 10-Q - HI TECH PHARMACAL CO INCd399017d10q.htm
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v2.4.0.6
Intangible Assets (Details) (USD $)
6 Months Ended
Oct. 31, 2012
Apr. 30, 2012
Components of net intangible assets    
Gross Carrying Amount $ 57,295,000 $ 57,195,000
Accumulated Amortization (14,655,000) (11,137,000)
TussiCaps intangible asset [Member]
   
Components of net intangible assets    
Gross Carrying Amount 22,126,000 22,126,000
Accumulated Amortization (3,486,000) (1,992,000)
TussiCaps intangible asset [Member] | Maximum [Member]
   
Components of net intangible assets    
Amortization Period 10 years  
TussiCaps intangible asset [Member] | Minimum [Member]
   
Components of net intangible assets    
Amortization Period 5 years  
ECR intangible assets [Member]
   
Components of net intangible assets    
Gross Carrying Amount 7,334,000 7,334,000
Accumulated Amortization (2,191,000) (1,828,000)
Amortization Period 10 years  
MagOx intangible assets[Member]
   
Components of net intangible assets    
Gross Carrying Amount 4,100,000 4,100,000
Accumulated Amortization (1,093,000) (888,000)
Amortization Period 10 years  
Clobetasol intangible asset [Member]
   
Components of net intangible assets    
Gross Carrying Amount 4,000,000 4,000,000
Accumulated Amortization (1,000,000) (800,000)
Amortization Period 10 years  
Orbivan and Zolvit intangible assets [Member]
   
Components of net intangible assets    
Gross Carrying Amount 3,577,000 3,477,000
Accumulated Amortization (750,000) (463,000)
Orbivan and Zolvit intangible assets [Member] | Maximum [Member]
   
Components of net intangible assets    
Amortization Period 10 years  
Orbivan and Zolvit intangible assets [Member] | Minimum [Member]
   
Components of net intangible assets    
Amortization Period 3 years  
Sinus Buster intangible asset [Member]
   
Components of net intangible assets    
Gross Carrying Amount 2,513,000 2,513,000
Accumulated Amortization (130,000)  
Amortization Period 10 years  
Zolpimist intangible assets [Member]
   
Components of net intangible assets    
Gross Carrying Amount 3,000,000 3,000,000
Accumulated Amortization (656,000) (469,000)
Zolpimist intangible assets [Member] | Maximum [Member]
   
Components of net intangible assets    
Amortization Period 10 years  
Zolpimist intangible assets [Member] | Minimum [Member]
   
Components of net intangible assets    
Amortization Period 7 years  
Zostrix intangible assets [Member]
   
Components of net intangible assets    
Gross Carrying Amount 5,354,000 5,354,000
Accumulated Amortization (3,552,000) (3,179,000)
Zostrix intangible assets [Member] | Maximum [Member]
   
Components of net intangible assets    
Amortization Period 11 years 6 months  
Zostrix intangible assets [Member] | Minimum [Member]
   
Components of net intangible assets    
Amortization Period 3 years  
KVK License intangible assets [Member]
   
Components of net intangible assets    
Gross Carrying Amount 1,500,000 1,500,000
Amortization Period 10 years  
Midlothian intangible assets [Member]
   
Components of net intangible assets    
Gross Carrying Amount 1,011,000 1,011,000
Accumulated Amortization (401,000) (342,000)
Midlothian intangible assets [Member] | Maximum [Member]
   
Components of net intangible assets    
Amortization Period 10 years  
Midlothian intangible assets [Member] | Minimum [Member]
   
Components of net intangible assets    
Amortization Period 3 years  
Vosol and Vosol HC intangible assets [Member]
   
Components of net intangible assets    
Gross Carrying Amount 700,000 700,000
Accumulated Amortization (333,000) (298,000)
Amortization Period 10 years  
Partnered ANDA intangible asset [Member]
   
Components of net intangible assets    
Gross Carrying Amount 375,000 375,000
Amortization Period 10 years  
Other intangible assets [Member]
   
Components of net intangible assets    
Gross Carrying Amount 1,705,000 1,705,000
Accumulated Amortization $ (1,063,000) $ (878,000)
Other intangible assets [Member] | Maximum [Member]
   
Components of net intangible assets    
Amortization Period 10 years  
Other intangible assets [Member] | Minimum [Member]
   
Components of net intangible assets    
Amortization Period 6 months