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Related Party Transactions (Details) (USD $)
3 Months Ended 6 Months Ended 1 Months Ended
Jun. 30, 2012
NEC [Member]
Jun. 30, 2011
NEC [Member]
Jun. 30, 2012
NEC [Member]
Jun. 30, 2011
NEC [Member]
Jul. 31, 2011
NEC and the other related entities [Member]
Jun. 30, 2012
NEC and the other related entities [Member]
Related Party Transactions (Textual)            
General and administrative expenses charged by related party   $ 302,000   $ 673,000    
Fee charged as per new service agreement 45,000   90,000      
Initial term of agreement         1 year  
Renewal term of agreement         1 year  
Amount owed by related party           $ 620,000