Quarterly report pursuant to sections 13 or 15(d)

Intangible Asset Acquisition and Cross License Agreement (Details)

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Intangible Asset Acquisition and Cross License Agreement (Details) (USD $)
6 Months Ended 1 Months Ended 3 Months Ended 6 Months Ended 1 Months Ended
Jan. 31, 2013
item
Mar. 31, 2011
Patents
Jan. 31, 2013
Patents
Jan. 31, 2013
Patents
Jul. 31, 2012
Patents
Mar. 31, 2011
Asset purchase of SECTA technology accounted for as an asset acquisition
Mar. 24, 2011
Asset purchase of SECTA technology accounted for as an asset acquisition
Intangible Asset Acquisition and Cross License Agreement disclosures              
Scheduled payments to Inovio for assets accounted for as an asset acquisition             $ 3,000,000
Period of scheduled payments           2 years  
Fees for sublicense, maximum (as a percent) 10.00%            
Royalty on net sales, maximum (as a percent) 10.00%            
Number of licensors of Inovio that Company will pay under the license 1            
Intangible assets, estimated fair value     3,000,000 3,000,000      
Intangible assets, relative fair value 2,962,000            
Discount 174,000            
Purchase price allocation of assets acquired              
Intangible assets - patents accounted for as an asset acquisition     2,788,154 2,788,154      
Tangible assets - machinery, property and inventory, accounted for as an asset acquisition 38,000            
Accumulated amortization     1,278,000 1,278,000 929,000    
Estimated remaining useful lives of patents   4 years          
Amortization expense     $ 174,000 $ 349,000