XML 25 R43.htm IDEA: XBRL DOCUMENT v3.3.0.814
Other Investments - Additional Information (Detail)
 9 Months Ended
Sep. 30, 2015
USD ($)
Agreement
Sep. 30, 2014
USD ($)
Dec. 31, 2014
USD ($)
Dec. 31, 2008
USD ($)
Variable Interest Entity [Line Items]        
Preferred stock, redemption terms Redemption was effected through the exchange of a share of preferred stock for (a) the right to receive the preference value in cash upon surrender of the preferred shares and (b) the non-transferable right to receive certain cash payments as additional consideration, after a period of 16 months, associated with (i) the release by Intersil of some or all of the $2,625,000 portion of total consideration held in escrow by Intersil for potential funding of indemnification and related obligations made by GWS and its selling shareholders and (ii) additional consideration of up to $4,000,000, payable in the event Intersil achieved certain revenue goals related to GWS products.      
Maximum period to receive non-transferable right as cash 16 months      
Consideration held in escrow $ 2,625,000      
Additional consideration payable $ 4,000,000      
Ownership interest in investment 27.00%      
Great Wall Semiconductor Corporation (GWS) [Member]        
Variable Interest Entity [Line Items]        
Gross investment $ 4,999,719     $ 0
Number of supply agreements with GWS | Agreement 2      
Purchase of components under agreement $ 1,764,000 $ 1,698,000    
Payment to obtain rights 500,000      
Great Wall Semiconductor Corporation (GWS) [Member] | GWS [Member]        
Variable Interest Entity [Line Items]        
Company owed GWS $ 30,000   $ 170,000  
Great Wall Semiconductor Corporation (GWS) [Member] | Licensing Agreement [Member]        
Variable Interest Entity [Line Items]        
Amortized period of right payments 4 years