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Joint Ventures - Additional Information (Detail) (USD $)
 1 Months Ended 3 Months Ended 6 Months Ended 12 Months Ended 1 Months Ended 6 Months Ended
Jun. 30, 2011
Jun. 30, 2010
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2012
Product
Jun. 30, 2011
Dec. 31, 2011
Dec. 22, 2009
Dec. 22, 2009
2012 installment
Dec. 22, 2009
2013 installment
Jun. 30, 2012
After Amendment
2012 installment
June 2012
Jun. 20, 2012
After Amendment
2012 installment
June 2012
Jun. 30, 2012
After Amendment
2012 installment
August 30, 2012
Jun. 30, 2012
After Amendment
2012 installment
October 30, 2012
Jun. 30, 2012
After Amendment
2013 installment
Installment
Jun. 30, 2012
Joint venture
Dec. 22, 2009
Joint venture
Schedule of Equity Method Investments [Line Items]                                  
Percentage of ownership interest in joint venture                               50.00% 50.00%
Payment due from joint venture party               $ 20,000,000 $ 4,000,000 $ 4,000,000   $ 2,000,000 $ 1,000,000 $ 1,000,000 $ 400,000    
Payment received from joint venture party 6,000,000 6,000,000                 2,000,000            
Accrued interest rate                         5.00% 5.00%      
Number of equal monthly installment payments for 2013 installment                             10    
Installment payment commencement date                             Feb. 28, 2013    
Investment in joint venture, percentage share of operating expenses     50.00%   50.00%                        
Investment in joint venture, percentage share of production costs     31.00%   31.00%                        
Number of episodes for which production completed         26                        
Number of episodes for which production commenced         26                        
Total estimated production cost for approved episodes     3,700,000   3,700,000                        
Production cost incurred for episodes         900,000   2,700,000                    
Equity in net income (loss) of joint venture     (98,000) (8,000) (44,000) 1,000                      
Producer fees and royalty income from joint venture         $ 77,638 $ 0